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AST-to-Platelet Ratio Index (APRI Score)Acute Liver Failure Study Group Index (ALFSG Index)Age, Bilirubin, INR and Creatinine Score (ABIC Score)Albumin-Bilirubin Grade (ALBI Score)BMI, AST/ALT Ratio, and Diabetes Score (BARD Score)CLIF-C ACLF Score for Acute-on-Chronic Liver Failure (CLIF-C ACLF)CLIF-C AD Score for Acute Decompensation of Cirrhosis (CLIF-C AD)CLIF-SOFA Score for Organ Failure Assessment (CLIF-SOFA)Cancer of the Liver Italian Program Score (CLIP Score)Child-Pugh Classification for Cirrhosis (Child-Pugh)Chinese University Prognostic Index (CUPI Score)Fibrosis-4 Index (FIB-4 Index)Lille Model for Alcoholic Hepatitis (Lille Model)Maddrey Discriminant Function (Maddrey DF)Model for End-Stage Liver Disease (MELD Score)NAFLD Fibrosis Score (NFS)Simplified Autoimmune Hepatitis Score (Simplified AIH)
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CLIF-C AD Score for Acute Decompensation of Cirrhosis (CLIF-C AD)

CLIF-C AD Score for Acute Decompensation of Cirrhosis (CLIF-C AD)

Prediction of 3-Month Mortality

For non-ACLF Cirrhotic Hospitalization

AD Scoring Engine

Enter admission laboratory data for cirrhotic patients without organ failure.

Guidelines & Evidence

Verified

Last Review: 2026-07-17

Clinical Significance

Acute Decompensation (AD) of Cirrhosis

AD is defined as the acute development of ascites, encephalopathy, hemorrhage, or infection in a patient with cirrhosis. While less severe than ACLF, it still carries significant 90-day mortality (~10-20%).

Beyond MELD and Child-Pugh

Traditional scores often underestimate mortality in hospitalized patients because they ignore systemic inflammation. CLIF-C AD incorporates the White Cell Count (WBC), providing a more accurate assessment for the inpatient setting.

Triage and Monitoring

The score helps clinicians identify patients who appear stable but are at high risk of rapid deterioration into multi-organ failure (ACLF).

How it Works

Variables Required

Age: Years.
WBC Count: 10⁹/L (marker of inflammation).
Serum Sodium: mEq/L (marker of portal hypertension).
Creatinine: mg/dL.
INR: Synthetic function.

The Formula

CLIF-C AD Score = 10 × [ 0.03 × Age + 0.66 × ln(Creatinine) + 1.71 × ln(INR) + 0.88 × ln(WBC) - 0.05 × Sodium + 8 ]

Risk Thresholds

Score ≤ 45: Low risk (~5% mortality). Score 46-59: Intermediate risk. Score ≥ 60: High risk (> 30% mortality).

Clinical Pearls

Sodium as a Surrogate

A falling serum sodium is often the first biochemical sign of worsening circulatory dysfunction and effective hypovolemia, preceding the rise in creatinine by days.

Inflammation vs. Infection

A high WBC count predicts death even in the absence of a culture-positive infection. It signifies the "inflammatory phenotype" of advanced cirrhosis.

Dynamic Re-scoring

The CLIF-C AD score should be recalculated every 48 hours during hospitalization. A rising score is a "red flag" for the transition to ACLF.

Next Steps

Inpatient Management Strategy

Aggressive infection screening (SIRS/qSOFA).
Optimize fluid balance and nutrition.
Consider transplant referral if score ≥ 60.
Monitor daily for development of organ failure.

The Evidence

Development Study

The CLIF Consortium Acute Decompensation score (CLIF-C ADs) for prognosis of patients with cirrhosis.

Jalan R et al. • J Hepatol. 2015;Derived from 1,010 patients. Showed a C-index of 0.71, significantly better than MELD (0.64).

External Validation

CLIF-C AD score is superior to MELD and MELD-Na in predicting mortality.

Engelmann C et al. • J Hepatol. 2017;Confirmed the score's predictive power in independent cohorts globally.

Origins & History

The CANONIC Legacy

The CLIF-C AD score was a major byproduct of the CANONIC study, which aimed to revolutionize how we classify acute complications of liver disease.

Beyond the Child-Pugh Era

Its creation reflected the medical community's desire for objective, data-driven tools to replace the legacy Child-Pugh system, which has remained largely unchanged since 1973.

Last Comprehensive Review: 2026-07-17

In Recent Clinical News

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