• 1. Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 2. West China School of Medicine in Sichuan University, Chengdu 610041, P. R. China;
WANG Xiaodong, Email: lockwan@163.com
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Objective To analyze the geographical distribution of patients with colorectal cancer by screening the current Database from Colorectal Cancer (DACCA) version in West China Hospital.Methods The selected DACCA database version of this data analysis was updated on September 5, 2019, and the two data of the " date of operation” and " address” were selected as the main research items. The characteristics of each selected data item were analyzed, and then the selected data were used as a joint feature analysis.Results According to the condition of selection by " address”, 7 096 valid data rows from the whole nation were obtained, 6 551 valid data rows from Sichuan province were obtained, and 2 954 valid data rows from Chengdu city were obtained. The geographic information provided by the DACCA database showed that, with the year changing, the provincial distribution area of patients was mainly the southwest region with middle-east of Sichuan province as center, mainly including the parts of Chongqing, Yunnan, and Guizhou; The distribution area of the municipal level in Sichuan province was mainly the east region with axis of the " Mianyang-Chengdu-Ya’an”, and Chengdu was the core; The regional distribution of patients in the Chengdu was mainly within the third ring load with Wuhou District, the Jinniu District, and the Qingyang District as the core area.Conclusion Thegeographical information provided by DACCA database shows the geographical distribution characteristics of patients in the past 20 years, reflecting the basic characteristics and changes of the service area of West China Hospital, and can provide a basis for medical policy makers in screening, diagnosing and treating of colorectal cancer, and key management areas of following-up.

Citation: LIU Guina, ZENG Yu, LIU Jianbo, LI Li, WANG Xiaodong. Database-assisted study: geographical distribution of colorectal cancer in regional medical center—a report under real world data combined with Tableau map. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2020, 27(1): 88-96. doi: 10.7507/1007-9424.201911099 Copy

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