TABLE 3.

Comparison of manual and automatic artifact detection.

Recording	N	Prevalence manual	Prevalence automatic	Accuracy/Agreement	Cohen’s kappa	Sensitivity (tpr)	Specificity (tnr)	Precision (ppv)	F1 score
1	111456	0.046	0.088	0.950	0.600	0.904	0.952	0.476	0.624
2	122904	0.036	0.076	0.947	0.505	0.816	0.952	0.392	0.529
3	102060	0.077	0.129	0.916	0.551	0.791	0.927	0.476	0.594

N, number of channel-segment elements; TPR, true positive rate; TNR, true negative rate; PPV, positive predictive value.