• 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: wangxiaodong@wchscu.cn
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Objective  To analyze the impact of body mass index (BMI) on hospitalization process of colorectal cancer patients served by West China Hospital, based on the current version of Database from Colorectal Cancer (DACCA). Methods  The data of DACCA was updated on April 30, 2021. All data items included BMI, visiting data, admission date, operation date, discharging date, pre-hospitalization time, pre-operation time, post-operation time, total hospital stay, and management process. Results  After scanning, 5 564 data rows were analyzed, from 2007 to 2021. The range of BMI was 11.02–39.67 kg/m2, the average of BMI was (22.86±3.28) kg/m2, and the BMI increased with year =0.058x–94.23, R2=0.005, P<0.001). The results of BMI characteristic analysis showed that BMI was not statistically significant related to the pre-hospitalization time, the pre-operation time, and the total length of hospital stay (P>0.05). However, the BMI would affect patients’ postoperative hospital stay and process management (P<0.05). Among them,obese group had shorter postoperative hospital stay than other groups (P=0.014). Additionally, there was significant difference in management process among colorectal cancer patients with different BMI (χ2=26.84, P=0.001). In process management, “ERAS” management accounted for the largest proportion (66.37%), but for each process management category, lean people were more likely to choose “enhanced” management process (11.08%), and obese people were more likely to choose “individual” process management (6.05%). Conclusions  The analysis results reflect that the BMI of colorectal cancer patients have an increasing trend year by year. BMI has no clear correlation with patients’ waiting time before admission, pre-operative time, and total hospital stay. Therefore, from the perspective of hospitalization management, the hospitalization operation ability of patients with colorectal cancer was not affected by BMI. The BMI of patients will affect the postoperative hospital stay and process management. The obese people have a shorter postoperative hospital stay and are more likely to choose non-process management.

Citation: LIU Yong, LIU Guina, GONG Jiaqi, WANG Xiaodong, LI Li, ZHOU Zongguang. BMI of colorectal cancer patients will affect post-operative hospital stay: a real world study based on DACCA. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2021, 28(11): 1486-1493. doi: 10.7507/1007-9424.202110008 Copy

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