Hepatology
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Mayo Clinic Prognostic Index (Original Model)

Total Bilirubin (mg/dL)
Serum Albumin (g/dL)
Prothrombin time (secs)
Prothrombin time INR
Age in years
Peripheral edema
Diuretics Yes No
Edema score
Survival Probability
Original Model (PT secs)
1 Year
2 Years
3 Years
4 Years
5 Years
6 Years
7 Years
Survival Probability
Original Model (PT INR)
1 Year
2 Years
3 Years
4 Years
5 Years
6 Years
7 Years


 
Survival with PT (secs)
 
 Survival with PT INR
R Score with PT (secs) =
 
 R Score with PT INR =
Article Prognosis in Primary Biliary Cirrhosis: Model for Decision Making
Hepatology Vol. 10, No. 1, pp 1-7, 1989
R Score with PT (secs) 0.871 * loge(bilirubin in mg/dl) + -2.53 * logealbumin in gm/dl) +
0.039 * age in years + 2.38 * loge(protrombin time in sec) + 0.859 * edema

R Score with PT INR 5.92 + 0.871 * loge(bilirubin in mg/dl) + -2.53 * loge(albumin in gm/dl) + 0.039 * age in years + .881 * loge(protrombin time INR) + 0.859 * edema

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