Table 3.

Incremental predictive value of the cumulative TyG index

	C-statistic (95%CI)	P value	Continunous NRI (95%CI)	P value	IDI(95%CI)	P value
All-cause mortality
Basic model	0.810(0.798–0.821)		ref		ref
Basic model + TyG	0.812(0.800-0.823)	0.004	0.267(-0.011-0.462)	0.054	0.020(-0.024-0.046)	0.07
Basic model + TyG-WHtR	0.810(0.790–0.825)	0.01	0.185(-0.093-0.40	0.08	0.005(-0.001-0.014)	0.08
CVD mortality
Basic model	0.812(0.800-0.824)		ref		ref
Basic model + TyG	0.813(0.802–0.825)	0.01	0.142(-0.277-0.375)	0.18	0.003(-0.006-0.015)	0.26
Basic model + TyG-WHtR	0.814(0.802–0.826)	0.02	0.127(0.022–0.195)	0.01	0.005(0.001–0.011)	0.01
Total-CVD
Basic model	0.749(0.725–0.770)		ref		ref
Basic model + TyG	0.766(0.744–0.788)	< 0.001	0.162(0.094–0.230)	< 0.001	0.002(0.0006–0.004)	0.008
Basic model + TyG-WHtR	0.767(0.745–0.789)	< 0.001	0.190(0.122–0.259)	< 0.001	0.004(0.001–0.006)	0.001
CHF
Basic model	0.736(0.705–0.769)		ref		ref
Basic model + TyG	0.750(0.718–0.782)	0.08	0.173(0.071–0.276)	< 0.001	0.007(-0.005-0.002)	0.23
Basic model + TyG-WHtR	0.764(0.731–0.796)	0.01	0.311(0.208–0.414)	< 0.001	0.008((0.003–0.012)	< 0.001
CHD
Basic model	0.755(0.724–0.784)		ref		ref
Basic model + TyG	0.775(0.746–0.803)	0.003	0.235(0.142–0.329)	< 0.001	0.005(0.002–0.007)	0.003
Basic model + TyG-WHtR	0.772(0.724–0.784)	0.005	0.170(0.077–0.265)	< 0.001	0.002(0.0004–0.004)	0.04
Angina pectoris
Basic model	0.710(0.665–0.739)		ref		ref
Basic model + TyG	0.733(0.698–0.767)	0.019	0.149(0.040–0.259)	0.007	0.002(0.0001–0.003)	0.04
Basic model + TyG-WHtR	0.735(0.700-0.769)	0.02	0.129(0.020–0.239)	0.02	0.002(0.0003–0.004)	0.02

The conventional model was adjusted for age, gender, race, smoke, education, income-poverty ratio, systolic blood pressure, total cholesterol, family history of heart disease and diabetes

CI, confidence interval; IDI, integrated discrimination improvement; NRI, net reclassification improve; CVD mortality, cardiovascular mortality; CHF, chronic heart failure; CHD, coronary heart disease