Table 3.

Discrimination and Calibration Statistics of the Modified Pooled Cohort equations to Prevent HF (PCP-HF without QRS) Risk Equations in the Electronic Health Record-Based Primary Prevention Cohort

	White		Black
	Men	Women	Men	Women
Total N	10834	13319	841	2444
Events	161	186	58	106
Events per 1000 person-years	3.0	2.8	13.8	8.7
C statistics (95% CI)	0.82 (0.79, 0.86)	0.82 (0.78, 0.87)	0.69 (0.60, 0.78)	0.69 (0.52, 0.76)
GND Chi-square, P value	19.7 (0.01)	15.3 (0.03)	8.3 (0.21)	13.1 (0.04)

^*Abbreviations: CI, Confidence Interval; GND, Greenwood Nam D’Agostino