The clinical characteristics of 168 patients with or without toxigenic Clostridium difficile colonization (tCDC) at the time of admission.

Data are no. (%) of patients, unless otherwise indicated.*Antibiotic therapy or proton pump inhibitor exposure in the three months prior to admission.除非另有说明，本数据均以患者例数（百分比）形式呈现。* 入院前三个月内存在抗菌药物治疗或质子泵抑制剂（proton pump inhibitor）暴露史。