Table 4.

Comparison of performance in the external testing set (n = 13,988).

Event and time point	AUC Full model (1)	AUC Perfusion abnormality (2)	AUC Clinical-only model (3)	p value (1) versus (2)	p value (1) versus (3)	p value (2) versus (3)
MACE at 1 year	0.74 (0.73, 0.76)	0.71 (0.70, 0.73)	0.68 (0.66, 0.69)	<0.001	<0.001	0.001
MACE at 3 years	0.73 (0.72, 0.74)	0.69 (0.67, 0.70)	0.69 (0.68, 0.71)	<0.001	<0.001	0.341
Death at 1 year	0.77 (0.74, 0.80)	0.61 (0.58, 0.65)	0.75 (0.72, 0.78)	<0.001	0.320	<0.001
Death at 3 years	0.76 (0.73, 0.78)	0.61 (0.58, 0.64)	0.72 (0.70, 0.74)	<0.001	0.026	<0.001
ACS at 1 year	0.74 (0.70, 0.78)	0.69 (0.64, 0.74)	0.72 (0.68, 0.76)	0.021	0.426	0.343
ACS at 3 years	0.72 (0.69, 0.74)	0.65 (0.62, 0.68)	0.70 (0.68, 0.73)	<0.001	0.469	0.012
Revasc. at 1 year	0.74 (0.73, 0.76)	0.74 (0.72, 0.76)	0.66 (0.64, 0.68)	0.763	<0.001	<0.001
Revasc. at 3 years	0.72 (0.70, 0.74)	0.72 (0.70, 0.74)	0.67 (0.65, 0.69)	0.737	<0.001	<0.001

All p values were obtained using DeLong’s test. The bold values represent statistically significant (p < 0.05) comparisons. Abbreviations: ACS acute coronary syndrome, AUC area under the receiver-operating curve, MACE major adverse cardiovascular event, Revasc. revascularization.