医学
内科学
膀胱癌
肿瘤科
前列腺癌
体质指数
队列
比例危险模型
前瞻性队列研究
队列研究
人口
癌症
肺癌
糖尿病
妇科
置信区间
内分泌学
环境卫生
作者
Yuanhao Chen,Song Zeng,Binbin Jiao,He Zhang,Li Gao,Xin Zhang,Xiaopeng Hu
标识
DOI:10.1158/1055-9965.epi-23-0690
摘要
Abstract Background: This study aimed to explore the relationship between diabetes risk reduction diet (DRRD) and bladder cancer risk in Prostate, Lung, Colorectal, Ovarian (PLCO) cohort. Methods: Data from 99,001 participants in the PLCO Cancer Screening Trial were analyzed using Cox proportional hazards regression models to estimate HRs and 95% confidence intervals (CI) for the association between DRRD score and bladder cancer incidence. Subgroup analyses were conducted to assess whether variables such as age, sex, body mass index, cigarette smoking status, and history of diabetes influenced the observed association. The DRRD score was formulated on the basis of nine nutrient intake indicators derived from the Dietary History Questionnaire. Results: During the median follow-up of 11.7 years, 761 new bladder cancer cases were identified. Participants with highest DRRD scores exhibited a reduced risk of bladder cancer compared with those in the lowest quartile (unadjusted analysis, HR, 0.65; 95% CI, 0.53–0.82); multivariable adjusted analysis, HR, 0.79; 95% CI, 0.64–0.98; Ptrend = 0.007). A similar risk reduction was seen solely in transitional cell carcinoma (HR, 0.79; 95% CI, 0.64–0.99; P = 0.007). In addition, the significant negative association between DRRD scores and bladder cancer risk persisted even after excluding participants with unique characteristics. Conclusions: This large prospective population-based study suggests that adherence to a DRRD may contribute to the prevention of bladder cancer. Impact: The DRRD could potentially mitigate bladder cancer risk, which warrants further validation in diverse populations.
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