| Variable | Frequency | <1000 cp/ml | >1000 cp/ml | P |
| Ages |
| |||
| 0 - 9 yrs | 298 (44.9) | 148 (49.7) | 150 (50.3) | 0.660 |
| 11 - 18 yrs | 365 (55.1) | 175 (47.9) | 190 (52.1) |
|
| Sex |
| |||
| Males | 311 (46.9) | 137 (44.1) | 174 (55.9) | 0.024 |
| Females | 352 (53.1) | 186 (52.8) | 166 (47.2) |
|
| ART Regimen |
| |||
| AZT + 3TC + NVP | 518 (78.1) | 240 (46.3) | 278 (53.7) | 0.015 |
| TDF + 3TC + EFV | 141 (21.3) | 79 (56.0) | 62 (44.0) |
|
| AZT + 3TC + LPV/r | 4 (0.7) | 4 (100.0) | 0 (0) |
|
| ART Type |
| |||
| 1st line | 651 (98.2) | 316 (48.5) | 335 (51.5) | 0.501 |
| 2nd line | 12 (1.8) | 7 (58.3) | 5 (41.7) |
|
| Duration on ART |
| |||
| 1 yr | 52 (7.8) | 32 (61.5) | 20 (38.5) | 0.299 |
| 1 - 5 yrs | 366 (55.2) | 175 (47.8) | 191 (52.2) |
|
| 6 - 10 yrs | 218 (32.8) | 104 (47.7) | 114 (52.3) |
|
| >10 yrs | 27 (4.1) | 12 (44.4) | 15 (55.6) |
|
| CD4 count |
| |||
| <350 | 141 (21.3) | 54 (38.3) | 87 (61.7) | <0.001 |
| 350 - 499 | 73 (11.0) | 31 (42.5) | 42 (57.5) |
|
| 500 - 999 | 285 (42.9) | 137 (48.1) | 148 (51.9) |
|
| >1000 | 164 (24.7) | 101 (61.6) | 63 (38.4) |
|
| Reason for request of viral load |
| |||
| Routine | 625 (94.2) | 302 (48.3) | 323 (51.7) | 0.671 |
| Suspected clinical failure | 19 (2.9) | 10 (52.6) | 9 (47.4) |
|
| Suspected immunological failure | 19 (2.9) | 11 (57.9) | 8 (42.1) |
|
| ART start year |
| |||
| 2000-2004 | 5 (0.8) | 3 (60.0) | 2 (40.0) | 0.690 |
| 2005-2009 | 107 (16.1) | 53 (50.5) | 54 (49.5) |
|
| 2010-2014 | 349 (52.6) | 163 (46.7) | 186 (53.3) |
|
| 2015-2018 | 202 (30.5) | 104 (51.5) | 98 (48.5) |
|