{"slug":"api-magentlab-com-api-calc-psc-revised-649c2f","title":"Kim 2000 revised natural history model for primary sclerosing cholangitis (no hi","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/psc_revised","category":"other","description":"Kim 2000 revised natural history model for primary sclerosing cholangitis (no histologic stage). R = 0.03*age_years + 0.54*ln(bilirubin_mg_dL) + 0.54*ln(AST_U_L) + 1.24*variceal_bleeding - 0.84*albumin_g_dL. Natural log. Returns R only; does not look up unpublished survival percents or invent risk b","price_listed":0.005,"price_asked":0.007,"state":"overcharges","state_label":"Asked 1.4x its listed price for its own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":267,"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_years":55,"albumin_g_dl":3,"ast_u_l":120,"bilirubin_mg_dl":5,"variceal_bleeding":true},{"age_years":55,"albumin_g_dl":3,"ast_u_l":120,"bilirubin_mg_dl":5,"variceal_bleeding":true}]},"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_years":{"description":"Age in whole years (18-120, magent clamp). Kim 2000 uses age in years in the R equation.","type":"integer"},"albumin_g_dl":{"description":"Serum albumin in g/dL (1.0-6.0, magent clamp). Must be positive. Kim 2000 uses g/dL. magent does not assay albumin.","type":"number"},"ast_u_l":{"description":"Aspartate aminotransferase in U/L (1-10000, magent clamp). Must be positive. magent does not assay AST.","type":"number"},"bilirubin_mg_dl":{"description":"Total bilirubin in mg/dL (0.1-40, magent clamp). Must be positive; natural log is undefined at 0. Kim 2000 uses mg/dL. magent does not assay bilirubin.","type":"number"},"variceal_bleeding":{"description":"History of variceal bleeding as assigned by the caller (Kim 2000): true (1) or false (0). magent does not diagnose bleeding.","type":"boolean"}},"required":["age_years","bilirubin_mg_dl","ast_u_l","albumin_g_dl","variceal_bleeding"],"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":267,"error":null}],"description_full":"Kim 2000 revised natural history model for primary sclerosing cholangitis (no histologic stage). R = 0.03*age_years + 0.54*ln(bilirubin_mg_dL) + 0.54*ln(AST_U_L) + 1.24*variceal_bleeding - 0.84*albumin_g_dL. Natural log. Returns R only; does not look up unpublished survival percents or invent risk bands. Not a transplant listing, biopsy order, PSC diagnosis, or lab assay. Not the original Mayo PSC biopsy model.","last_updated":"2026-09-28T14:02:05.889Z","schemes":["exact"]}