Basic characteristics of 469 patients with rectal adenocarcinoma (RAC).

BMI, body mass index; LNM, lymph node metastasis; RAC, rectal adenocarcinoma.Data were available in a403 (202+201), b463 (227+236), c457 (226+231), d392 (192+200) and e370 (178+192) patients. The numbers before the brackets indicate the total available cases in the two groups.*Plus-minus value indicates mean±standard deviation;†Median (inter-quartile range, Q1– Q3).Basic characteristics of 469 patients with rectal adenocarcinoma (RAC).BMI即身体质量指数（body mass index），LNM即淋巴结转移（lymph node metastasis），RAC即直肠腺癌（rectal adenocarcinoma）。本数据集的可用数据来自a组403例（202例+201例）、b组463例（227例+236例）、c组457例（226例+231例）、d组392例（192例+200例）及e组370例（178例+192例）患者。括号前的数值代表对应两组的总可用病例数。±值表示均值±标准差；†值表示中位数（四分位数间距，Q1~Q3）。本数据集涵盖469例直肠腺癌（RAC）患者的基线临床特征。