Clinical characteristics of the patients in each group.

M, male; F, female.NA = none applicable. All data are represented as mean ± SD except in the case of age, which is expressed as median ± IQR (interquartile range). p.Clinical characteristics of the patients in each group.M代表男性（male），F代表女性（female）；NA表示无适用项（none applicable）。除年龄数据以中位数±四分位距（interquartile range, IQR）表示外，其余所有数据均以平均值±标准差（standard deviation, SD）呈现。p. 各组患者的临床特征。