Table 3.

Discrimination of Each Predictive Model for Outcomes Using Continuous NRI and IDI

	C-Statistic	Continuous NRI	IDI
	Estimate (95% CI)	Estimate (95% CI)	Estimate (95% CI)
CVD
Established risk factors	0.618 (0.582, 0.654)	-	-
Established risk factors+METS-IR	0.651 (0.616, 0.686)	0.140 (0.047, 0.203)	0.009 (0.003, 0.022)
CHD
Established risk factors	0.636 (0.593, 0.678)	Reference	Reference
Established risk factors+METS-IR	0.680 (0.641, 0.720)	0.123 (0.028, 0.198)	0.005 (0.001, 0.015)
Stroke
Established risk factors	0.549 (0.492, 0.606)	Reference	Reference
Established risk factors+METS-IR	0.631 (0.572, 0.689)	0.166 (0.015, 0.274)	0.005 (0.001, 0.021)

Notes: Established risk factors included age, sex, smoking status, drinking status, diabetes, BMI, TC, TG, HDL-C, LDL-C, and FBG levels.

Abbreviations: NRI, net reclassification index; IDI, integrated discrimination improvement; CVD, cardiovascular disease; CHD, coronary heart disease.