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Mayo model for predicted survival in primary sclerosing cholangitis

Mayo model for predicted survival in primary sclerosing cholangitis
R = 0.03 (age [yrs]) + 0.54e(bilirubin [mg/dL]) + 0.54 loge(AST [IU/L]) + 1.24 (variceal bleeding [0=no/1=yes]) - 0.84 (albumin [g/dL]).]
Survival function coefficient [S0(t)]
1 year = 0.963
2 years = 0.919
3 years = 0.873
4 years = 0.833
Calculated patient survival
Probability of survival at time t years is calculated as S(t)= S0(t)exp(R-1.00)
Mayo_model_survival_PSC.htm
Adapted from: Kim WR, Therneau TM, Wiesner RH, et al. A revised natural history model for primary sclerosing cholangitis. Mayo Clin Proc 2000; 75:688. Calculator for this model available at: http://www.mayoclinic.org/gi-rst/mayomodel3.html (Accessed on September 11, 2007).
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