Are systematic reviews addressing nutrition for cancer prevention trustworthy? A systematic survey of quality and risk of bias.

ABSTRACT:

Context

The last 30 years have yielded a vast number of systematic reviews and/or meta-analyses addressing the link between nutrition and cancer risk.

Objective

The aim of this survey was to assess overall quality and potential for risk of bias in systematic reviews and meta-analyses (SRMAs) that examined the role of nutrition in cancer prevention.

Data sources

MEDLINE, Embase, and the Cochrane Library databases were searched (last search performed November 2018).

Study selection

Studies identified as SRMAs that investigated a nutritional or dietary intervention or exposure for cancer prevention in the general population or in people at risk of cancer and in which primary studies had a comparison group were eligible for inclusion. Screening, data extraction, an

SUBMITTER: Zajac JF 

PROVIDER: S-EPMC9086792 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature