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VOCAL-Penn 30-Day Postoperative Mortality Calculator for Cirrhosis
x402
VOCAL-Penn 30-Day Postoperative Mortality Calculator for Cirrhosis is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Computes 30-day postoperative mortality probability for cirrhotic patients using the Mahmud 2021 VOCAL-Penn logistic regression model with restricted cubic splines for albumin and platelets.
Price / call$0.005
Success—
StatusUnknown
How this service works
Mahmud 2021 VOCAL-Penn 30-day postoperative mortality logistic for cirrhosis. log_odds = -5.472096 + 1.061725*ASA + 0.927904*emergency + surgery dummies (laparoscopic abdominal reference) + Stata 3-knot RCS albumin (2.7, 3.7, 4.4) and platelets (75, 152, 271) + 0.1448936*bilirubin - 0.7541669*obesity + 0.8268748*NAFLD. Percent to 1 decimal. Not a surgical order. magent does not assign ASA or read labs.
Output
Returns a numeric 30-day postoperative mortality probability expressed as a percentage to one decimal place, derived from the Mahmud 2021 VOCAL-Penn logistic model intercept and coefficients including ASA class, emergency status, surgery type dummies, restricted cubic spline terms for albumin and platelets, linear bilirubin, obesity, and NAFLD.
Example use cases
Pre-op risk counseling for cirrhotic patient
“I have a 62-year-old cirrhotic patient with ASA class 4 needing emergency open abdominal surgery. Labs: albumin 2.4 g/dL, platelets 68 ×10⁹/L, bilirubin 3.5 mg/dL. He has NAFLD and BMI over 30. What's his VOCAL-Penn 30-day postoperative mortality probability?”
Elective cholecystectomy risk stratification
“Can you run the Mahmud 2021 VOCAL-Penn score for a 49-year-old cirrhotic woman with ASA class 2, elective laparoscopic cholecystectomy, albumin 3.9 g/dL, platelets 150 ×10⁹/L, bilirubin 0.9 mg/dL, non-obese, no fatty liver disease?”
Comparing surgical urgency impact on mortality
“I want to compare the 30-day mortality risk for a cirrhotic ASA 3 patient undergoing open colectomy — first as an elective case, then as an emergency. Albumin 3.1 g/dL, platelets 110 ×10⁹/L, bilirubin 2.2 mg/dL, age 55, not obese, no NAFLD. Can you run both scenarios?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/vocal_pennWhen to prefer
Choose this endpoint when you need the Mahmud 2021 VOCAL-Penn logistic regression specifically — the validated model for 30-day postoperative mortality in cirrhotic patients incorporating restricted cubic splines for albumin and platelets. Prefer it over generic MELD-based or Child-Pugh tools when the clinical question is 30-day surgical mortality rather than liver disease severity, and when the user has pre-assigned ASA class and laboratory values ready.
Side effects
- Missing required fields (age, platelets, obesity, fatty_liver_disease, asa_class, emergency, surgery_category) return validation error
- ASA class outside 2-4 (e.g. 1 or 5) rejected as out of range
- Albumin or bilirubin not provided in any accepted unit returns error
- Platelet count or albumin value outside physiologic range returns error
- Neither albumin_g_dl nor albumin_g_l provided causes missing parameter error
- Neither bilirubin_mg_dl nor bilirubin_umol_l provided causes missing parameter error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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