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SAPS II Score Calculator
x402
SAPS II Score Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Computes the Le Gall 1993 SAPS II score (0–163) from 12 physiology variables, age, admission type, and chronic disease, then converts it to a hospital-mortality probability using the original logit.
Price / call$0.005
Success—
StatusUnknown
How this service works
Le Gall 1993 Simplified Acute Physiology Score II from 12 physiology variables (worst values in the first 24 hours as assigned by the caller), age, type of admission, and one chronic disease (AIDS, metastatic cancer, or hematologic malignancy). Max 163. Converts the integer to hospital-mortality probability with the paper's logit. PaO2/FiO2 is scored only if ventilated or CPAP. Not SAPS 3. Not APACHE. magent does not measure vitals.
Output
Returns the SAPS II integer score (0–163, summed from the Le Gall 1993 point table) and the corresponding hospital-mortality probability derived from the paper's logistic regression logit. Does not measure or collect any vitals itself — all inputs are caller-supplied worst values from the first 24 ICU hours.
Example use cases
ICU mortality risk on admission
“I have a 72-year-old ventilated post-operative surgical ICU patient, heart rate 130, systolic BP 80, temp 36.5°C, GCS 7, urine output 0.4 L/day, WBC 22, potassium 5.2, sodium 145, bicarbonate 14, PaO2/FiO2 180, no chronic disease — what's the SAPS II score and what mortality probability does that imply?”
Benchmarking ICU severity for quality reporting
“For our quality dashboard, calculate SAPS II for a 55-year-old medical admission with hematologic malignancy, heart rate 95, systolic BP 110, temp 39.1°C, GCS 14, urine output 1.2 L/day, WBC 0.8, potassium 4.0, sodium 132, bicarbonate 20, not ventilated — give me the integer score and the logit-based mortality estimate.”
Comparing severity across two ICU patients
“Compare the SAPS II scores for two patients: Patient A is 48 years old, medical admission, no chronic disease, HR 85, SBP 120, temp 37.0°C, GCS 15, urine 1.8 L/day, WBC 8, K 4.1, Na 140, bicarb 24, not ventilated; Patient B is 81 years old, non-operative medical, metastatic cancer, HR 155, SBP 70, temp 35.8°C, GCS 5, urine 0.2 L/day, WBC 25, K 6.1, Na 152, bicarb 10, ventilated with PaO2/FiO2 85 — calculate both scores and mortality probabilities.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/saps_iiWhen to prefer
Use this endpoint when you need a standards-compliant Le Gall 1993 SAPS II score and associated hospital-mortality probability for an adult ICU patient based on worst values in the first 24 hours. Prefer this over APACHE or SAPS 3 calculators when the clinical protocol specifically calls for SAPS II. Not appropriate for pediatric patients (under 18), for real-time vital-sign monitoring, or when you need APACHE II/III or SAPS 3 scoring.
Side effects
- Missing required query parameters (age, heart_rate, systolic_bp_mm_hg, temperature_c, ventilated, urine_output_l_day, wbc_k_ul, potassium_mmol_l, sodium_mmol_l, bicarbonate_meq_l, gcs, admission_type, chronic_disease) returns an error
- pao2_fio2 required but omitted when ventilated=true causes an error
- Values outside accepted ranges (e.g. age <18, GCS outside 3–15) may return validation errors
- Neither urea_mmol_l nor bun_mg_dl provided may cause missing oxygenation or BUN scoring
- Payment not attached or insufficient USDC causes HTTP 402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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