Frailty models are the possible choice to counter the problem of the unobserved heterogeneity in individual risks of … disease and death. Based on earlier studies, shared frailty models can be utilised in the analysis of bivariate data related … to survival times (e.g. matched pairs experiments, twin or family data). In this article, we assume that frailty acts …

Frailty models are the possible choice to counter the problem of the unobserved heterogeneity in individual risks of … disease and death. Based on earlier studies, shared frailty models can be utilised in the analysis of bivariate data related … to survival times (e.g. matched pairs experiments, twin or family data). In this article, we assume that frailty acts …

analysis. The Kaplan–Meier survival estimators, Cox proportional hazard model, and frailty model were used to study the …

, and Retirement in Europe (SHARE) and construct a frailty index for elderly men and women from 10 European countries …

Background Multimorbidity and frailty represent emerging global health burdens that have garnered increased attention … coexistence of multimorbidity and frailty to assess major research domains, trends, and inform future lines of research. Methods … We systematically retrieved scientific publications on multimorbidity and frailty from the Web of Science Core Collection …