Table 2.

Predictive performance of radiomic models on the risk of hematoma expansion.

	AUC (95% CI)	Sensitivity	Specificity	Accuracy
SMOTE data set (n = 119)
Training cohort (n = 96)	0.91 (0.84–0.97)	0.83	0.89	0.87
Testing cohort (n = 23)	0.87 (0.73–1.00)	0.60	0.85	0.74
Original data set (n = 109)	0.85 (0.76–0.93)	0.82	0.77	0.78

AUC, area under curve; CI, confidence interval; SMOTE, synthetic minority oversampling technique.