Table 3

C-statistics for predictors of late cardiovascular (CV) events

	C-statistic	95% CI	P value
ZAHARA score	0.7823	0.6947 to 0.8710	Reference
CARPREG II score	0.6902	0.5773 to 0.8031	0.1300
Prepregnancy NYHA class	0.6677	0.5593 to 0.7761	0.0800
Modified WHO group	0.6163	0.5085 to 0.7241	0.0274
Any prepregnancy CV event	0.6605	0.5468 to 0.7743	0.0213
CARPREG score	0.6622	0.5478 to 0.7767	0.0203
Any CV event during pregnancy	0.6222	0.5192 to 0.7253	0.0110
Any CV event <6 months post partum	0.5629	0.4888 to 0.6370	0.0001

CARPREG, Cardiac Disease in Pregnancy Study; NYHA, New York Heart Association; ZAHARA, Zwangerschap bij Aangeboren.