In the following model, survival probability of a patient with primary biliary cirrhosis without treatment is estimated based on the following variables. Please enter data in the corresponding boxes.

(years)
(mg/dl)
(g/dl)
(seconds)
Does the patient have peripheral edema?
Is the patient on diuretic therapy?
Risk score:

Estimated Probability of Survival (%)

Time 0 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7
100

Dickson ER et al. Prognosis in primary biliary cirrhosis: model for decision making. Hepatology 1989;10:1-7. PubMed.