Associations of the triglyceride-glucose index and its obesity-related derivative with all-cause mortality, cardiovascular events, and long-term survival and functioning in older adults. - Davoodian N; Clayton-Chubb D; Berk M; Huxley RR; Lee CMY; Lotfaliany M; Owen AJ; Pasco JA; Tonkin AM; Woods RL; Mohebbi M (Archives of gerontology and geriatrics, 2026)