Relationship between occupation and tumor-related characteristics in patients with colorectal cancer:a real-world data study based on DACCA
Objective To analyze the relationship between occupation and tumor characteristics of colorectal patients served by West China Hospital of Sichuan University as a regional center in the current version of Database from Colorectal Cancer(DACCA).Methods The data of DACCA was updated on January 5,2022.All data items included occupation,tumor morphology,distance of tumor from dentate line,tumor site,properties of tumor,differentiation degree,postoperative complex physiological index(CPI)stage,tumor comorbidities,tumor location,and tumor occurrence.According to the 2015 edition of the Occupational Classification of the People's Republic of China,the occupational parameters of patients in this study were divided into three groups:Mental workers,physical workers and unemployed residents.Results The DACCA database was filtered according to the conditions,obtaining 3 215 valid data.In terms of tumor complications,there were significant differences in the proportion of tumor bleeding,perforation grade,mechanical intestinal obstruction degree and pain degree among the different occupational groups(P＜0.05).There were no significant difference in the ratio of edema degree and intussusception of tumor site among the different occupational groups(P＞0.05).There were no significant difference in the composition ratio of tumor differentiation degree,tumor occurrence,tumor orientation and tumor morphology among the different occupational groups(P＞0.05).The composition ratio of CPI staging of colorectal cancer,the distance between tumor and dentate line,the composition ratio of different tumor pathological properties,and the composition ratio of tumor located in rectum and colon were statistically significant(P＜0.05).Conclusion Preoperative tumor characteristics of patients with colorectal cancer are associated with various occupations.In patients with rectal cancer,the distance from the dentate line to the physical work of the tumor is smaller,lower site,some tumor complications are more severe,and the stage is relatively later.
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