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Meta-Analysis
. 2022 Aug;162(2):485-497.
doi: 10.1016/j.chest.2022.02.027. Epub 2022 Feb 22.

Frailty in Patients With Lung Cancer: A Systematic Review and Meta-Analysis

Klara Komici  1 , Leonardo Bencivenga  2 , Neal Navani  3 , Vito D'Agnano  4 , Germano Guerra  5 , Andrea Bianco  4 , Giuseppe Rengo  6 , Fabio Perrotta  7
Affiliations
Meta-Analysis

Frailty in Patients With Lung Cancer: A Systematic Review and Meta-Analysis

Klara Komici et al. Chest. 2022 Aug.

Abstract

Background: Previous studies regarding the prevalence of frailty in patients with lung cancer and mortality in frail patients with lung cancer are inconsistent and require clarification.

Research question: What is the prevalence and impact of frailty in patients with lung cancer?

Study design and methods: This systematic review and meta-analysis used a combination of free-text terms and medical subject headings terms, according to the database requirements in MEDLINE/PubMed, Scopus, and Cochrane Library from inception until November 15, 2020.

Results: A total of 2,571 articles were identified, and 16 articles involving 4,183 patients were included for study. The prevalence of frailty in lung cancer was 45% (95% CI, 28-61; I2 = 99.5%; P < .0001). In patients with lung cancer, frailty was associated with an increased hazard ratio for mortality (hazard ratio, 3.01; 95% CI, 1.77-5.10; P < .001).

Interpretation: The prevalence of frailty in lung cancer is 45%, which has a significant negative impact on survival of patients with lung cancer. These results highlight the importance of measuring frailty, which provides important prognostic information, and may provide opportunities for interventions to improve outcomes in patients with lung cancer.

Keywords: elderly; frailty; lung cancer; mortality; outcome.

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