Fig. 1

Associations between TyG index and various frailty transition patterns. All the models were adjusted for age, sex, BMI, residence, marriage, education, habits of smoking and drinking, physical activity, CVD, hypertension, dyslipidemia, diabetes mellitus, cancer, lung disease, stroke, kidney disease, medications, SBP, baseline FI, and follow-up time. TyG index, triglyceride-glucose index; BMI, body mass index; CVD, cardiovascular disease; SBP, systolic blood pressure; FI, frailty index.