WANG Zhiyin 1,2 , NIE Haoran 1,2 , HE Ziyan 1,2 , WANG Xiaodong 1 , WEI Mingtian 1 , LI Li 1,3
  • 1. Division of Gastrointestinal Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 2. West China School of Medicine, Sichuan University, Chengdu 610041, P. R. China;
  • 3. Colorectal Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
WANG Xiaodong, Email: wangxiaodong@wchscu.cn
residence; colorectal cancer; surgical characteristics; Database from Colorectal Cancer
10.7507/1007-9424.202308080
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Objective To analyze the impact of the residence of patients with colorectal cancer (CRC) on surgical characteristics in the current version Database from Colorectal Cancer (DACCA). Methods According to the established screening conditions, the patients with CRC were collected from the updated version of DACCA on January 23, 2023. The analysis indicators enrolled in this study included: the grouping indicator was residence, the surgical characteristic indicators included the surgical timing, surgical nature, expanded resection, intersphincteric resection (ISR) type, patient’s willingness of preserving the anus, and whether preserving the anus. The patients were categorized into three groups based on the residence: inside Chengdu City, outside Chengdu City within Sichuan Province, and outside Sichuan Province. The surgical characteristic indicators of patients with CRC from different residences were comparatively analyzed. Results A total of 6 832 analyzable data rows were enrolled. The results of statistical analysis revealed the following findings: there were no statistical differences in the surgery timing and surgery nature among the patients with colon cancer or rectal cancer from the different residences (Surgery timing: H=1.665, P=0.435; H=4.153, P=0.125. Surgery nature: χ2=1.586, P=0.453; χ2=0.990, P=0.610); For the patients with rectal cancer from the different residences, the distributions of the ISR type (H=0.514, P=0.773), patients’ willingness of preserving the anus (χ2=1.437, P=0.487), and whether preserving the anus (χ2=5.513, P=0.064) had no statistical differences. In addition, although there was no statistical difference in the distribution of expanded resection or not among the patients with rectal cancer in different residences (χ2=2.363, P=0.307), it was found that there was statistical difference in the distribution of enlarged resection or not among the patients with colon cancer in different residences (χ2=17.324, P＜0.001). Conclusions From the data analysis in DACCA, there are not statistical differences in surgical characteristic indicators such as surgical timing, surgical nature, ISR type, patients’ willingness of preserving the anus, and whether preserving the anus among patients with colon or rectal cancer from different residences. However, the proportion of underwent expanded surgery in the colon cancer patients who from outside Sichuan Province as compared with inside Sichuan Province is relatively higher, this suggests that surgical difficulty is more difficult for the patients from outside Sichuan Province.

Citation： WANG Zhiyin, NIE Haoran, HE Ziyan, WANG Xiaodong, WEI Mingtian, LI Li. Relation between residence and surgical characteristics of patients with colorectal cancer: a real-world study based on DACCA. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2023, 30(11): 1308-1312. doi: 10.7507/1007-9424.202308080 Copy

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