Baseline characteristics in the (A) exploratory set and (B) the validation set according to presence of cirrhosis in liver biopsy.

All values are presented as median (interquartile range; IQR) or percentage.an = 28.bn = 166.cn = 6.dn = 60.所有数值均以中位数（median）、四分位距（interquartile range，IQR）或百分比形式呈现。各组样本量分别为：a组n=28，b组n=166，c组n=6，d组n=60。