{"slug":"api-magentlab-com-api-calc-impact-8022bb","title":"Steyerberg 2008 IMPACT prognostic score for 6-month mortality and unfavorable ou","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/impact","category":"other","description":"Steyerberg 2008 IMPACT prognostic score for 6-month mortality and unfavorable outcome after traumatic brain injury. model=core (age, motor, pupils), extended (plus hypoxia, hypotension, Marshall CT, tSAH, EDH), or lab (plus glucose mmol/L and Hb g/dL). Points and printed logistic LPs from that paper","price_listed":0.005,"price_asked":0.007,"state":"overcharges","state_label":"Asked 1.4x its listed price for its own example","checks_7d":1,"answered_7d":1,"latency_ms_median":337,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"items":[{"age":35,"edh":false,"glucose_mmol_l":10,"hemoglobin_g_dl":11,"hypotension":false,"hypoxia":false,"marshall_ct":"II","model":"core","motor_score":3,"pupillary_reactivity":"both","tsah":false},{"age":35,"edh":false,"glucose_mmol_l":10,"hemoglobin_g_dl":11,"hypotension":false,"hypoxia":false,"marshall_ct":"II","model":"core","motor_score":3,"pupillary_reactivity":"both","tsah":false}]},"method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"items":{"items":{"properties":{"age":{"description":"Age in years (integer 14-90). Steyerberg 2008 Figure 1: ≤30 → 0; 31–39 → 1; 40–49 → 2; 50–59 → 3; 60–69 → 4; ≥70 → 5. Chart label 30–39 is the decade after ≤30 (age 30 scores 0).","type":"integer"},"edh":{"description":"Epidural hematoma (Steyerberg 2008). Required when model is extended or lab. true adds −2; false adds 0. Ignored on model=core.","type":"boolean"},"glucose_mmol_l":{"description":"Admission glucose in mmol/L (2.8-55.5). Required when model is lab. Steyerberg 2008: <6 → 0; 6–8.9 → 1; 9–11.9 → 2; 12–14.9 → 3; ≥15 → 4. Ignored on core and extended. magent does not assay glucose.","type":"number"},"hemoglobin_g_dl":{"description":"Admission hemoglobin in g/dL (3-22). Required when model is lab. Steyerberg 2008: <9 → 3; 9–11.9 → 2; 12–14.9 → 1; ≥15 → 0. Ignored on core and extended. magent does not assay hemoglobin.","type":"number"},"hypotension":{"description":"Hypotension yes or suspected (Steyerberg 2008). Required when model is extended or lab. true adds 2; false adds 0. Ignored on model=core.","type":"boolean"},"hypoxia":{"description":"Hypoxia yes or suspected (Steyerberg 2008). Required when model is extended or lab. true adds 1; false adds 0. Ignored on model=core.","type":"boolean"},"marshall_ct":{"description":"Marshall CT class I–VI (Steyerberg 2008). Required when model is extended or lab. I → −2; II → 0; III, IV, V, or VI → 2. Ignored on model=core. magent does not read the scan.","enum":["I","II","III","IV","V","VI"],"type":"string"},"model":{"description":"Steyerberg 2008 IMPACT model. core uses age, motor, and pupils. extended adds hypoxia, hypotension, Marshall CT, tSAH, and EDH. lab adds glucose mmol/L and hemoglobin g/dL. Required; magent does not pick a model.","enum":["core","extended","lab"],"type":"string"},"motor_score":{"description":"GCS motor integer 1-6 or 9 (untestable/missing) as in Steyerberg 2008. 1 or 2 (none/extension) → 6; 3 (abnormal flexion) → 4; 4 (normal flexion) → 2; 5 or 6 (localizes/obeys) → 0; 9 → 3.","type":"integer"},"pupillary_reactivity":{"description":"Pupillary reactivity (Steyerberg 2008). both → 0; one → 2; none → 4. Caller-assigned. magent does not examine pupils.","enum":["both","one","none"],"type":"string"},"tsah":{"description":"Traumatic subarachnoid hemorrhage (Steyerberg 2008). Required when model is extended or lab. true adds 2; false adds 0. Ignored on model=core.","type":"boolean"}},"required":["model","age","motor_score","pupillary_reactivity"],"type":"object"},"maxItems":25,"minItems":1,"type":"array"}},"required":["items"],"type":"object"},"headers":{"additionalProperties":{"type":"string"},"type":"object"},"method":{"const":"POST","type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-28","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.007,"price_match":false,"latency_ms":337,"error":null}],"description_full":"Steyerberg 2008 IMPACT prognostic score for 6-month mortality and unfavorable outcome after traumatic brain injury. model=core (age, motor, pupils), extended (plus hypoxia, hypotension, Marshall CT, tSAH, EDH), or lab (plus glucose mmol/L and Hb g/dL). Points and printed logistic LPs from that paper. Not a diagnosis, not MRC CRASH (Perel 2008), and not magent chemotherapy CRASH.","last_updated":"2026-09-28T15:07:03.731Z","schemes":["exact"]}