analyzing data from two large controlled clinical trials in patients with chronic liver disease : 1 ) the multicenter trial of prednisone versus placebo in cirrhosis conducted by the copenhagen study group for liver diseases ( csl-1 ) and 2 ) the multinational trial of azathioprine versus placebo in primary biliary cirrhosis ( pbc-1 ) we have developed indices for prediction of prognosis and therapeutic effect using cox 's multiple regression model for censored survival data .
C0023890
cirrhosis
C0023895
liver diseases