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Published in: Diabetology & Metabolic Syndrome 1/2024

Open Access 01-12-2024 | Lung Cancer | Review

Association between insulin resistance, metabolic syndrome and its components and lung cancer: a systematic review and meta-analysis

Authors: Jingxuan Liu, Rui Wang, Song Tan, Xiaohu Zhao, Aihua Hou

Published in: Diabetology & Metabolic Syndrome | Issue 1/2024

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Abstract

Background

A growing body of evidence points to the association between insulin resistance (IR), metabolic syndrome (MetS) and its components and lung cancer incidence, but remains controversial and unknown.

Methods

A systematic search was conducted through PubMed, Embase, Cochrane Library, the China National Knowledge Infrastructure (CNKI) and Wanfang databases for the corresponding studies. Each study reported the risk estimate and 95% confidence intervals (CI) for lung cancer, and a fixed effects model or random effects model was used for outcome.

Results

We included 31 publications involving 6,589,383 people with 62,246 cases of lung cancer. Diabetes mellitus (DM) (RR = 1.11, 95% CI  1.06–1.16, P = 0.000) and IR (RR = 2.35, 95% CI  1.55–3.58, P = 0.000) showed a positive association with lung cancer risk. BMI (RR = 0.66, 95% CI  0.54–0.81, P = 0.000) and HDL-C (RR = 0.88, 95% CI  0.79–0.97, P = 0.010) were negatively correlated with lung cancer. MetS(RR = 0.99, 95% CI  0.90–1.09, P = 0.801), TC (RR = 0.93, 95% CI  0.81–1.06, P = 0.274), TG (RR = 0.99, 95% CI  0.88–1.12,P = 0.884), LDL-C (RR = 1.01, 95% CI  0.87–1.16, P = 0.928), hypertension (RR = 1.01, 95% CI  0.88–1.15, P = 0.928), FBG (RR = 1.02, 95% CI  0.92–1.13, P = 0.677) and obesity (RR = 1.11, 95% CI  0.92–1.35, P = 0.280) were not associated with lung cancer.

Conclusion

Our study showed that the risk of lung cancer is correlated with DM, IR, BMI, and HDL-C. Timely control of these metabolic disorders may have a positive effect on preventing lung cancer.
Trial registration Our study has been registered in the Prospective Register of Systematic Reviews (PROSPERO), ID: CRD42023390710.
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Metadata
Title
Association between insulin resistance, metabolic syndrome and its components and lung cancer: a systematic review and meta-analysis
Authors
Jingxuan Liu
Rui Wang
Song Tan
Xiaohu Zhao
Aihua Hou
Publication date
01-12-2024
Publisher
BioMed Central
Published in
Diabetology & Metabolic Syndrome / Issue 1/2024
Electronic ISSN: 1758-5996
DOI
https://doi.org/10.1186/s13098-024-01308-w

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