Table 1. Distribution of actual viral load values of each testing method.

		Total (n = 757) n (column %)	Before ART (n = 79) n (row %)	On ART (n = 678) n (row %)
Plasma VL copies/ml
VL<20		613 (81.0%)	0	613 (100.0%)
20≤VL<1000		63 (8.3%)	2 (3.2%)	61 (96.8%)
1000≤VL<5000		2 (0.3%)	1 (50.0%)	1 (50.0%)
≥5000		79 (10.4%)	76 (96.2%)	3 (3.8%)
DBS-SPEX VL copies/ml
VL<400		344 (45.4%)	2 (0.6%)	342 (99.4%)
400≤VL<1000		159 (21.0%)	0	159 (100.0%)
1000≤VL<5000		167 (22.1%)	6 (3.6%)	161 (96.4%)
≥5000		87 (11.5%)	71 (81.6%)	16 (18.4%)
DBS-FVE VL copies/ml
VL<400		667 (88.1%)	4 (0.6%)	663 (99.4%)
400≤VL<1000		21 (2.8%)	10 (47.6%)	11 (52.4%)
1000≤VL<5000		27 (3.6%)	24 (88.9%)	3 (11.1%)
≥5000		42 (5.5%)	41 (97.6%)	1 (2.4%)