• 1. School of Nursing, Beihua University, Jilin 132013, P. R. China;
  • 2. Department of General Surgery, Affiliated Hospital of Beihua University, Jilin 132013, P. R. China;
SONG Yan, Email: 1293625334@qq.com
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Objective To explore the dose-response relationship between coffee intake and all-cause mortality in patients with colorectal cancer, and to provide evidence-based support for improving the prognosis of patients with colorectal cancer. Methods A comprehensive search was conducted in databases such as China National Knowledge Infrastructure (CNKI), Chinese Science and Technology Journal Full-text Database, China Biomedical Literature Database, Wanfang Data Knowledge Service Platform, PubMed, EMBase, Cochrane Library, and Web of Science for prospective cohort studies on the relationship between coffee intake and all-cause mortality in patients with colorectal cancer, up to December 2024. Literature was screened according to inclusion and exclusion criteria, and quality assessment and data extraction were performed. Data analysis was conducted using Stata 18.0 software. Results A total of 7 studies were included, involving 1 320 013 patients with colorectal cancer, with 11 550 all-cause deaths. The meta-analysis results showed that compared to colorectal cancer patients without coffee intake, those who with coffee intake had a lower risk of all-cause mortality [HR=0.66, 95%CI (0.53, 0.82)]. There was a negative linear relationship between coffee intake and all-cause mortality in patients with colorectal cancer (χ2=24.10, P<0.01), and for each additional cup of coffee consumed daily, the risk of all-cause mortality decreased by 2%. Conclusions There is a linear dose-response relationship between coffee intake and all-cause mortality in patients with colorectal cancer. An increase in coffee intake can reduce the risk of all-cause mortality in patients with colorectal cancer.

Citation: ZHOU Yalin, YOU Li, CHI Xinping, SONG Yan, ZHAO Chunshan, YANG Xueliang. Coffee intake and all-cause mortality with colorectal cancer patients: a dose-response meta-analysis. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2025, 32(10): 1312-1317. doi: 10.7507/1007-9424.202503032 Copy

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