Exploring frailty prevalence among adults in Indian healthcare settings: A systematic review and meta-analysis

Frailty is an age-associated state of increased vulnerability due to declines in physiologic systems, leading to compromised ability to withstand stressors. Given India's rapidly aging population, our study aims to estimate the pooled prevalence of frailty and its associated factors in hospital settings. An extensive search was conducted across four databases, up to January 2024. A random-effects model was utilized. To quantify heterogeneity, the I² statistic, prediction interval, and the Chi-square-based Q test were employed. Outliers were identified using a Baujat plot and influence analysis. Doi plot, luis furuya kanamori (LFK) index and funnel plot were used to assess publication bias. The current meta-analysis determined a pooled frailty prevalence of 42.3% (95%CI: 34.8%-50.1%) and prefrailty prevalence of 39.8% (95%CI: 30.4%-49.8%), both exhibiting high heterogeneity (I² values of 96.9% and 95.3%, respectively). A high degree of variability was indicated by a prediction interval ranging from 9% to 76%, while Egger's test suggested no evidence of publication bias. Our systematic review and meta-analysis, encompassing 6,856 individuals, revealed a considerable prevalence of frailty at 42.3%, underscoring its ubiquity across health spectra and demographics in India.