老年患者胃肠道手术后综合并发症的危险因素——一项多中心观察性研究

吕雪彩, 刘艳红, 韩诗怡, 张浩赟, 侯爱生, 周志康, 史立凯, 高洁, 曹江北, 张宏, 米卫东

Risk factors for overall postoperative complications in elderly patients undergoing gastrointestinal surgeries: a multicenter observational study

Xuecai LÜ, Yanhong LIU, Shiyi HAN, Haoyun ZHANG, Aisheng HOU, Zhikang ZHOU, Likai SHI, Jie GAO, Jiangbei CAO, Hong ZHANG, Weidong MI

图1 患者入组流程图

Fig.1 Flowchart of patient enrollment.