Table 3. Influence of viral subtype and transmission route over the SCBD assay’s performance on the dataset D561.

Factor	Category	Accuracies
		Sensitivity	Specificity	Accuracy	MCC
Subtype	B	227/228 (99.6%)	95/96 (99.0%)	322/324 (99.4%)	0.99
	C	135/136 (99.3%)	56/57 (98.2%)	191/193 (99.0%)	0.98
	Others	34/34 (100.0%)	10/10 (100.0%)	44/44 (100.0%)	1.0
Exposure	SH	162/163 (99.4%)	94/94 (100.0%)	256/257 (99.6%)	0.99
	MSM	81/81 (100.0%)	46/46 (100.0%)	127/127 (100.0%)	1.0
	IDU	31/31 (100.0%)	10/10 (100.0%)	41/41 (100.0%)	1.0
	Unknown	122/123 (99.2%)	11/13 (84.6%)	133/136 (97.8%)	0.87