Healthy Eating and Mortality among Breast Cancer Survivors: A Systematic Review and Meta-Analysis of Cohort Studies.

ABSTRACT: This systematic review examined the effect of diet quality, defined as adherence to healthy dietary recommendations, on all-cause and breast cancer-specific mortality. Web of Science, Medline, CINAHL, and PsycINFO databases were searched to identify eligible studies published by May 2021. We used a random-effects model meta-analysis in two different approaches to estimate pooled hazard ratio (HR) and 95% confidence interval (CI) for highest and lowest categories of diet quality: (1) each dietary quality index as the unit of analysis and (2) cohort as the unit of analysis. Heterogeneity was examined using Cochran's Q test and inconsistency I² statistics. The risk of bias was assessed by the Newcastle-Ottawa Scale for cohort studies, and the quality of evidence was investigated by

SUBMITTER: Lee E 

PROVIDER: S-EPMC9266181 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature