Table 3.

Discrimination and reclassification statistics for recovery high-grade PVCs with 20-year risk of cardiovascular mortality.

	Clinical variables* only	Clinical variables* + Recovery PVCs
Harrell’s C-index (95% CI)	0.8304 (0.8063, 0.8545)	0.8322 (0.8063, 0.8563)
Difference in C-indices (95% CI), p-value	0.0018 (−0.0008, 0.0045), p=0.178
IDI † (95% CI), p-value	Reference	0.0050 (− 0.0026, 0.0144), p=0.239
NRI ‡, 10% cutoff (95% CI), p-value	Reference	−0.0054 (− 0.0276, 0.0124), p=0.629

^*Clinical variables: age, sex, diabetes, hypertension, smoking, LDL- and HDL-cholesterol, triglycerides, body mass index, family history of premature coronary artery disease

^†IDI: Integrated discrimination index

^‡NRI: Net reclassification index