Frailty and Arthritis Risk in a Population-Based Cohort: Long-Term Follow-Up and Predictive Model Evaluation.
BackgroundLongitudinal evidence on frailty and subsequent arthritis in China is limited.MethodsWe analyzed 4,615 adults aged ≥45 years from the China Health and Retirement Longitudinal Study (2011-2020), excluding those with baseline physician-diagnosed arthritis. Multivariable logistic regression assessed associations...