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Lille Score Calculator (Louvet 2007)
x402
Lille Score Calculator (Louvet 2007) 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 Lille score (0–1) for alcoholic hepatitis steroid response using age, albumin, bilirubin at day 0 and day 7, creatinine, and PT seconds or INR, with the published 0.45 cutoff.
Price / call$0.005
Success—
StatusUnknown
How this service works
Lille model (Louvet 2007) from age, albumin, bilirubin at day 0 and day 7, creatinine, and PT seconds or INR. formula=pt or formula=inr is required; magent does not swap them. Score 0-1 with the published 0.45 cutoff. Deterministic published arithmetic with citation; not a medical device or a steroid order.
Output
Returns a numeric Lille score between 0 and 1, indicating steroid response likelihood in alcoholic hepatitis; scores ≥0.45 indicate non-response per the published Louvet 2007 cutoff. May also include a renal insufficiency flag and intermediate calculation values.
Example use cases
Steroid responder classification at day 7
“Run the Lille score for a 45-year-old with albumin 22 g/L, day-0 bilirubin 210 µmol/L, day-7 bilirubin 195 µmol/L, creatinine 130 µmol/L, and INR 2.4 using the inr formula — is the score above 0.45?”
PT-based Lille calculation for hepatology consult
“Calculate the Lille score using the pt formula for a 60-year-old patient: albumin 3.1 g/dL, day-0 bilirubin 14 mg/dL, day-7 bilirubin 10 mg/dL, creatinine 1.5 mg/dL, PT 22 seconds.”
Automated scoring in clinical documentation workflow
“For a 38-year-old alcoholic hepatitis patient with albumin 30 g/L, bilirubin day 0 at 160 µmol/L and day 7 at 140 µmol/L, creatinine 95 µmol/L, and INR 1.9, compute the Lille score with the inr formula and flag if they exceed 0.45.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/lilleWhen to prefer
Use this endpoint when you need a deterministic, published Lille model score for alcoholic hepatitis steroid response evaluation, specifically when you have day-0 and day-7 bilirubin values and want the exact Louvet 2007 arithmetic applied with a clear 0.45 cutoff classification. Prefer it over manual calculation to avoid unit conversion errors (g/dL vs g/L, mg/dL vs µmol/L) and PT/INR swapping mistakes.
Side effects
- Missing required 'formula' parameter returns an error — the endpoint will not infer PT vs INR
- Providing both pt_sec and inr simultaneously when formula=inr causes the PT value to be ignored, not swapped
- Out-of-range lab values (e.g. age <18, albumin outside 10–60 g/L) may return a validation error
- Providing both albumin_g_l and albumin_g_dl or both creatinine units simultaneously causes a conflict error
- Missing day-7 bilirubin (required for the Lille formula) results in a calculation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"path": "/api/calc/lille",
"count": 2,
"items": [
{
"r": 2.6372,
"pt_sec": 18,
"formula": "pt",
"citation": {
"id": "louvet-2007",
"doi": "10.1002/hep.21607",
"pmid": "17518367",
"title": "The Lille model: a new tool for therapeutic strategy in patients with severe alcoholic hepatitis treated with steroids",
"source": "Hepatology. 2007;45(6):1348-1354",
"authors": "Louvet A, Naveau S, Abdelnour M, et al."
},
"response": "responder",
"age_years": 50,
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"albumin_g_l": 35,
"lille_score": 0.0668,
"creatinine_mg_dl": 1,
"formula_expression": "R = 3.19 - 0.101*age + 0.147*albumin_g_l + 0.0165*evolution_bilirubin_umol_l - 0.206*renal_insufficiency - 0.0065*bilirubin_day0_umol_l - 0.0096*pt_sec; lille_score = exp(-R)/(1+exp(-R))",
"renal_insufficiency": false,
"bilirubin_day0_umol_l": 200,
"bilirubin_day7_umol_l": 150,
"evolution_bilirubin_umol_l": 50
},
{
"r": 2.6372,
"pt_sec": 18,
"formula": "pt",
"citation": {
"id": "louvet-2007",
"doi": "10.1002/hep.21607",
"pmid": "17518367",
"title": "The Lille model: a new tool for therapeutic strategy in patients with severe alcoholic hepatitis treated with steroids",
"source": "Hepatology. 2007;45(6):1348-1354",
"authors": "Louvet A, Naveau S, Abdelnour M, et al."
},
"response": "responder",
"age_years": 50,
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"albumin_g_l": 35,
"lille_score": 0.0668,
"creatinine_mg_dl": 1,
"formula_expression": "R = 3.19 - 0.101*age + 0.147*albumin_g_l + 0.0165*evolution_bilirubin_umol_l - 0.206*renal_insufficiency - 0.0065*bilirubin_day0_umol_l - 0.0096*pt_sec; lille_score = exp(-R)/(1+exp(-R))",
"renal_insufficiency": false,
"bilirubin_day0_umol_l": 200,
"bilirubin_day7_umol_l": 150,
"evolution_bilirubin_umol_l": 50
}
]
}
}Tags
x402
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