Key Issues in the Development of an Evidence-Based Stratified Surgical Patient Safety Improvement Information System: Experience From a Multicenter Surgical Safety Program

Xiaochu Yu   ^{1 *} , MD ;   Wei Han   ^{2 *} , PhD ;   Jingmei Jiang   ^{2 *} , PhD ;   Yipeng Wang   ¹ , MD ;   Shijie Xin   ³ , MD ;   Shizheng Wu   ⁴ , MD ;   Hong Sun   ⁵ , MD ;   Zixing Wang   ² , MSc ;   Yupei Zhao   ¹ , MD

¹ Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China

² Department of Epidemiology and Biostatistics, Institute of Basic Medicine Sciences, Chinese Academy of Medical Science, Beijing, China

³ The First Hospital of China Medical University, Shenyang, China

⁴ Qinghai Provincial People’s Hospital, Xining, China

⁵ Xiangya Hospital, Central South University, Changsha, China

*these authors contributed equally