{"abstract":"A weak gait scores the same 20 points as an impaired gait.","category":"Clinical triage scoring","checks":11,"contract":"Input {last_fall_days (or null), secondary_dx, aid, iv, gait, mental}. Toy points: a fall within the last 90 days (inclusive) 25; secondary diagnosis 15; aid none/bedrest/nurse 0, crutches/cane/walker 15, furniture 30; IV access 20; gait normal/bedrest/immobile 0, weak 10, impaired 20; mental status \"forgets\" or \"overestimates\" (overestimates own ability) 15, \"oriented\" 0. Risk: 0-24 LOW, 25-44 MODERATE, >= 45 HIGH. Return {score, risk}.","contract_signature":"x","evaluation_group":"w2-triage-fall-risk","failed_approach":"Scoring both at 10 under-weights impaired gait.","family":"w2-triage-fall-risk-gait-weighting","id":"FA-64766","implementations":{"attempt":{"sha256":"0585739e447b4f74d33cd888e67c946c400fe32fceee284e587beb9277cfee9d","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    d = x['last_fall_days']\n    fell = d is not None and d <= 90\n    s = 25 if fell else 0\n    s += 15 if x['secondary_dx'] else 0\n    aid = x['aid']\n    s += 30 if aid == 'furniture' else 15 if aid in ('crutches', 'cane', 'walker') else 0\n    s += 20 if x['iv'] else 0\n    g = x['gait']\n    s += 10 if g in ('impaired', 'weak') else 0\n    s += 15 if x['mental'] in ('forgets', 'overestimates') else 0\n    risk = 'HIGH' if s >= 45 else 'MODERATE' if s >= 25 else 'LOW'\n    return {'score': s, 'risk': risk}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 301,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'forgets'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 10,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'cane',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('score exactly 25',\n   {'last_fall_days': 31,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 6,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'bedrest',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 302,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 20,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 50, 'risk': 'HIGH'}),\n  ('score exactly 25',\n   {'last_fall_days': 32,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 7,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'immobile',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 303,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'forgets'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 30,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'crutches',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('score exactly 25',\n   {'last_fall_days': 33,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 8,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 304,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 40,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'cane',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 50, 'risk': 'HIGH'}),\n  ('score exactly 25',\n   {'last_fall_days': 34,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 9,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'bedrest',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 305,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'forgets'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 50,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('score exactly 25',\n   {'last_fall_days': 35,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 10,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"5dded7b928fd65a748daf064167c8f55ac1fb317ff543a1f2a8a77abfc0f17f6","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    d = x['last_fall_days']\n    fell = d is not None and d <= 90\n    s = 25 if fell else 0\n    s += 15 if x['secondary_dx'] else 0\n    aid = x['aid']\n    s += 30 if aid == 'furniture' else 15 if aid in ('crutches', 'cane', 'walker') else 0\n    s += 20 if x['iv'] else 0\n    g = x['gait']\n    s += 20 if g in ('impaired', 'weak') else 0\n    s += 15 if x['mental'] in ('forgets', 'overestimates') else 0\n    risk = 'HIGH' if s >= 45 else 'MODERATE' if s >= 25 else 'LOW'\n    return {'score': s, 'risk': risk}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 301,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'forgets'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 10,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'cane',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('score exactly 25',\n   {'last_fall_days': 31,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 6,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'bedrest',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 302,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 20,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 50, 'risk': 'HIGH'}),\n  ('score exactly 25',\n   {'last_fall_days': 32,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 7,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'immobile',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 303,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'forgets'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 30,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'crutches',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('score exactly 25',\n   {'last_fall_days': 33,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 8,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 304,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 40,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'cane',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 50, 'risk': 'HIGH'}),\n  ('score exactly 25',\n   {'last_fall_days': 34,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 9,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})],\n [('no risk factors',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'bedrest',\n    'mental': 'oriented'},\n   {'score': 0, 'risk': 'LOW'}),\n  ('fall exactly 90 days ago',\n   {'last_fall_days': 90,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('fall a year ago',\n   {'last_fall_days': 305,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 20, 'risk': 'LOW'}),\n  ('furniture walking',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'furniture',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('walker user',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'forgets'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('weak gait',\n   {'last_fall_days': None,\n    'secondary_dx': False,\n    'aid': 'cane',\n    'iv': True,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'}),\n  ('impaired gait',\n   {'last_fall_days': 50,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'impaired',\n    'mental': 'oriented'},\n   {'score': 60, 'risk': 'HIGH'}),\n  ('score exactly 40',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'walker',\n    'iv': False,\n    'gait': 'weak',\n    'mental': 'oriented'},\n   {'score': 40, 'risk': 'MODERATE'}),\n  ('overestimates own ability',\n   {'last_fall_days': None,\n    'secondary_dx': True,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'overestimates'},\n   {'score': 30, 'risk': 'MODERATE'}),\n  ('score exactly 25',\n   {'last_fall_days': 35,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': False,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 25, 'risk': 'MODERATE'}),\n  ('score exactly 45',\n   {'last_fall_days': 10,\n    'secondary_dx': False,\n    'aid': 'none',\n    'iv': True,\n    'gait': 'normal',\n    'mental': 'oriented'},\n   {'score': 45, 'risk': 'HIGH'})]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"A deterministic toy software model with explicitly stipulated thresholds and formulas; it is not clinical guidance, not a validated medical calculator, and makes no claim of conformance to any published protocol. Numbered variants vary patient and order inputs. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-triage-fall-risk-gait-weighting","generated_at":"2026-09-29T14:47:27.891132+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Nursing risk scores map categorical observations to weighted points; recency windows, category tables and band edges fail independently.","root_cause":"Weak and impaired gait share one weight.","sha256":"1692c3142589223c12ab91d937e314afb3af1aa9bacb47b6d60b3999cec95bcb","title":"Inpatient fall risk score: gait weighting · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":44.846,"exit_code":1,"observations":[{"actual":{"risk":"LOW","score":0},"check":"no risk factors","expected":{"risk":"LOW","score":0},"passed":true},{"actual":{"risk":"MODERATE","score":40},"check":"fall exactly 90 days ago","expected":{"risk":"MODERATE","score":40},"passed":true},{"actual":{"risk":"LOW","score":20},"check":"fall a year ago","expected":{"risk":"LOW","score":20},"passed":true},{"actual":{"risk":"MODERATE","score":40},"check":"furniture walking","expected":{"risk":"MODERATE","score":40},"passed":true},{"actual":{"risk":"HIGH","score":45},"check":"walker user","expected":{"risk":"HIGH","score":45},"passed":true},{"actual":{"risk":"HIGH","score":45},"check":"weak gait","expected":{"risk":"HIGH","score":45},"passed":true},{"actual":{"risk":"HIGH","score":50},"check":"impaired gait","expected":{"risk":"HIGH","score":60},"passed":false},{"actual":{"risk":"MODERATE","score":40},"check":"score exactly 40","expected":{"risk":"MODERATE","score":40},"passed":true},{"actual":{"risk":"MODERATE","score":30},"check":"overestimates own ability","expected":{"risk":"MODERATE","score":30},"passed":true},{"actual":{"risk":"MODERATE","score":25},"check":"score exactly 25","expected":{"risk":"MODERATE","score":25},"passed":true},{"actual":{"risk":"HIGH","score":45},"check":"score exactly 45","expected":{"risk":"HIGH","score":45},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"no risk factors\", \"actual\": {\"score\": 0, \"risk\": \"LOW\"}, \"expected\": {\"score\": 0, \"risk\": \"LOW\"}, \"passed\": true}, {\"check\": \"fall exactly 90 days ago\", \"actual\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"fall a year ago\", \"actual\": {\"score\": 20, \"risk\": \"LOW\"}, \"expected\": {\"score\": 20, \"risk\": \"LOW\"}, \"passed\": true}, {\"check\": \"furniture walking\", \"actual\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"walker user\", \"actual\": {\"score\": 45, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 45, \"risk\": \"HIGH\"}, \"passed\": true}, {\"check\": \"weak gait\", \"actual\": {\"score\": 45, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 45, \"risk\": \"HIGH\"}, \"passed\": true}, {\"check\": \"impaired gait\", \"actual\": {\"score\": 50, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 60, \"risk\": \"HIGH\"}, \"passed\": false}, {\"check\": \"score exactly 40\", \"actual\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"overestimates own ability\", \"actual\": {\"score\": 30, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 30, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"score exactly 25\", \"actual\": {\"score\": 25, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 25, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"score exactly 45\", \"actual\": {\"score\": 45, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 45, \"risk\": \"HIGH\"}, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":44.779,"exit_code":1,"observations":[{"actual":{"risk":"LOW","score":0},"check":"no risk factors","expected":{"risk":"LOW","score":0},"passed":true},{"actual":{"risk":"MODERATE","score":40},"check":"fall exactly 90 days ago","expected":{"risk":"MODERATE","score":40},"passed":true},{"actual":{"risk":"LOW","score":20},"check":"fall a year ago","expected":{"risk":"LOW","score":20},"passed":true},{"actual":{"risk":"HIGH","score":50},"check":"furniture walking","expected":{"risk":"MODERATE","score":40},"passed":false},{"actual":{"risk":"HIGH","score":45},"check":"walker user","expected":{"risk":"HIGH","score":45},"passed":true},{"actual":{"risk":"HIGH","score":55},"check":"weak gait","expected":{"risk":"HIGH","score":45},"passed":false},{"actual":{"risk":"HIGH","score":60},"check":"impaired gait","expected":{"risk":"HIGH","score":60},"passed":true},{"actual":{"risk":"HIGH","score":50},"check":"score exactly 40","expected":{"risk":"MODERATE","score":40},"passed":false},{"actual":{"risk":"MODERATE","score":30},"check":"overestimates own ability","expected":{"risk":"MODERATE","score":30},"passed":true},{"actual":{"risk":"MODERATE","score":25},"check":"score exactly 25","expected":{"risk":"MODERATE","score":25},"passed":true},{"actual":{"risk":"HIGH","score":45},"check":"score exactly 45","expected":{"risk":"HIGH","score":45},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"no risk factors\", \"actual\": {\"score\": 0, \"risk\": \"LOW\"}, \"expected\": {\"score\": 0, \"risk\": \"LOW\"}, \"passed\": true}, {\"check\": \"fall exactly 90 days ago\", \"actual\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"fall a year ago\", \"actual\": {\"score\": 20, \"risk\": \"LOW\"}, \"expected\": {\"score\": 20, \"risk\": \"LOW\"}, \"passed\": true}, {\"check\": \"furniture walking\", \"actual\": {\"score\": 50, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"passed\": false}, {\"check\": \"walker user\", \"actual\": {\"score\": 45, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 45, \"risk\": \"HIGH\"}, \"passed\": true}, {\"check\": \"weak gait\", \"actual\": {\"score\": 55, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 45, \"risk\": \"HIGH\"}, \"passed\": false}, {\"check\": \"impaired gait\", \"actual\": {\"score\": 60, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 60, \"risk\": \"HIGH\"}, \"passed\": true}, {\"check\": \"score exactly 40\", \"actual\": {\"score\": 50, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 40, \"risk\": \"MODERATE\"}, \"passed\": false}, {\"check\": \"overestimates own ability\", \"actual\": {\"score\": 30, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 30, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"score exactly 25\", \"actual\": {\"score\": 25, \"risk\": \"MODERATE\"}, \"expected\": {\"score\": 25, \"risk\": \"MODERATE\"}, \"passed\": true}, {\"check\": \"score exactly 45\", \"actual\": {\"score\": 45, \"risk\": \"HIGH\"}, \"expected\": {\"score\": 45, \"risk\": \"HIGH\"}, \"passed\": true}], \"passed\": false}\n"}},"member_only":{"stages":["fixed"],"fields":["implementations.fixed","verification.fixed","harness","repair"],"note":"The verified repair, its recorded checks, the repair description, and the scoring harness are available to members."}}