Table 3.

Virological failure (VL > 1000 copies/ml) according to age category, months on ART and geographic origin in perinatally HIV-1-infected children and adolescents

	Virological failure rates (>1000 copies/ml), N/N (%)
Characteristics	Total	Female	Male
Age categories (years)
<5	9/20 (45.0%)	5/7 (57.1%)	4/13 (30.8%)
5 to 10	68/127 (53.6%)	42/69 (60.9%)	26/58 (44.8%)
11 to 14	47/98 (48.0%)	20/50 (40.0%)	27/48 (56.3%)
15 to 19	23/38 (60.5%)	11/16 (68.8%)	11/22 (50.0%)
Total	147/283 (51.9%)	78/142 (54.9%)	68/141 (48.2%)
Months on ART
12 to 24	21/46 (45.6%)	10/24 (41.7%)	11/22 (50.0%)
25 to 36	34/61 (55.7%)	21/34 (61.8%)	13/27 (48.2%)
37 to 48	17/35 (48.6%)	12/20 (60.0%)	5/15 (33.3%)
49 to 60	24/46 (52.2%)	7/18 (38.9%)	17/28 (60.7%)
61 to 72	15/32 (46.9%)	9/17 (53.0%)	6/15 (40.0%)
>72	35/63 (55.6%)	19/29 (65.5%)	16/34 (47.1%)
Geographic origin
Urban (Lomé, capital city)	93/189 (49.2%)	46/90 (51.1%)	47/99 (47.5%)
Semi-rural	53/94 (56.4%)	32/52 (61.5%)	21/42 (50.0%)

ART, antiretroviral therapy; VL, viral load.