Association of Obesity With Survival Outcomes in Patients With Cancer: A Systematic Review and Meta-analysis.

ABSTRACT:

Importance

Obesity, defined as a body mass index (BMI) greater than 30, is associated with a significant increase in the risk of many cancers and in overall mortality. However, various studies have suggested that patients with cancer and no obesity (ie, BMI 20-25) have worse outcomes than patients with obesity.

Objective

To assess the association between obesity and outcomes after a diagnosis of cancer.

Data sources

PubMed, the Cochrane Library, and EMBASE were searched from inception to January 2020.

Study selection

Studies reporting prognosis of patients with obesity using standard BMI categories and cancer were included. Studies that used nonstandard BMI categories, that were limited to children, or that were limited to patients with hematological malignant

SUBMITTER: Petrelli F 

PROVIDER: S-EPMC8008284 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature