Table 4. Classification performance on test set for 5-minute and 10-second predictions using RF and SVM.

5-minute-pre-shock data contain 1000 R-R intervals while 10-second-pre-shock data contain 1600 R-R intervals. Each test was averaged over one hundred random cross-validation trials.

	5-minute prediction		10-second prediction
	RF	SVM	RF	SVM
Sensitivity	0.74 (0.073)	0.75 (0.10)	0.79 (0.059)	0.80 (0.068)
Specificity	0.74 (0.065)	0.75 (0.12)	0.80 (0.064)	0.77 (0.063)
AUC	0.81 (0.046)	0.81 (0.077)	0.88 (0.035)	0.87 (0.037)
	Results are listed as mean (SD)