TABLE 3.

Cox regression stratified analysis with subgroups.

Subgroups	Case/total	Serum TyG index tertiles			Serum TyG index as a continuous variable	p for trend
		Low‐level	Moderate‐level HR (95% CI)	High‐level HR (95% CI)
Gender
Female	45/176	Ref	4.673 (1.81–12.068)	4.277 (1.645–11.124)	1.905 (1.250–2.904)	1.797 (1.214–2.662)
p values			0.001*	0.003*	0.003*	0.003*
Male	71/379	Ref	0.958 (0.496–1.85)	2.699 (1.457–4.998)	1.729 (1.240–2.409)	1.721 (1.240–2.389)
p values			0.898	0.002*	0.001*	0.001*
Age, years
<65	56/280	Ref	1.084 (0.483–2.433)	2.031 (0.972–4.242)	1.467 (1.008–2.135)	1.478 (1.017–2.148)
p values			0.845	0.059	0.046*	0.041*
≥65	60/275	Ref	2.102 (1.088–4.06)	2.909 (1.486–5.695)	1.933 (1.339–2.791)	1.685 (1.221–2.327)
p values			0.027*	0.002*	<0.001*	0.002*

Note: Models are adjusted for gender, age, hypertension, CHD, CVD, duration of diabetes, SBP, DBP, Hb, Cr.

Abbreviations: CHD, coronary heart disease; CI, confidence interval; Cr, creatinine; CVD, cerebrovascular disease; DBP, diastolic blood pressure; Hb, haemoglobin; HR, hazard ratio; SBP, systolic blood pressure; TyG, triglyceride–glucose.

^* p < 0.05.