| Variable | Frequency | <1000 cp/ml | >1000 cp/ml | X2 |
| Ages |
|
|
|
|
| 19 - 25 yrs | 743 (7.9) | 532 (71.6) | 211 (28.4) | <0.001 |
| 26 - 45 yrs | 6572 (69.5) | 5028 (76.5) | 1544 (23.5) |
|
| 46 - 55 yrs | 1473 (15.6) | 1179 (80.0) | 294 (20.0) |
|
| 56 - 65 yrs | 523 (5.5) | 430 (82.2) | 93 (17.8) |
|
| >65 yrs | 139 (1.5) | 114 (82.0) | 25 (18.0) |
|
| Sex |
|
|
|
|
| Males | 2577 (27.3) | 1990 (77.2) | 587 (22.8) | 0.829 |
| Females | 6873 (72.7) | 5293 (77.0) | 1580 (23.0) |
|
| ART Regimen |
|
|
|
|
| AZT + 3TC + NVP | 4962 (52.5) | 3751 (75.6) | 1211 (24.4) | <0.001 |
| TDF + 3TC + EFV | 4375 (46.3) | 3449 (78.8) | 926 (21.2) |
|
| TDF + FTC + EFV | 113 (1.2) | 83 (73.5) | 30 (26.5) |
|
| ART Type |
|
|
|
|
| 1st line | 9184 (97.2) | 7103 (77.4) | 2081 (22.6) | <0.001 |
| 2nd line | 239 (2.5) | 164 (68.6) | 75 (31.4) |
|
| 3rd line | 27 (0.3) | 16 (59.3) | 11 (40.7) |
|
| Duration on ART |
|
|
|
|
| 1 yr | 699 (7.4) | 517 (74.0) | 182 (26.0) | <0.001 |
| 1 - 5 yrs | 4568 (48.3) | 3593 (78.7) | 975 (21.3) |
|
| 6 - 10 yrs | 3551 (37.6) | 2666 (75.1) | 885 (24.9) |
|
| > 10 yrs | 632 (6.7) | 507 (80.2) | 125 (19.8) |
|
| CD4 count |
|
|
|
|
| <350 | 2992 (31.7) | 1963 (65.6) | 1029 (34.4) | <0.001 |
| 350 - 499 | 2195 (23.2) | 1756 (80.0) | 439 (20.0) |
|
| 500 - 999 | 3651 (38.6) | 3051 (83.6) | 600 (16.4) |
|
| >1000 | 612 (6.5) | 513 (83.8) | 99 (16.2) |
|
| Reason for request of viral load |
|
|
|
|
| Routine | 9098 (96.3) | 7012 (77.9) | 2086 (22.1) | <0.001 |
| Suspected clinical failure | 232 (2.5) | 195 (84.1) | 37 (15.9) |
|
| Suspected immunological failure | 120 (1.3) | 76 (63.3) | 44 (36.7) |
|
| ART Start Year |
|
|
|
|
| 2000-2004 | 29 (0.3) | 27 (93.1) | 2 (6.9) | 0.052 |
| 2005-2009 | 2214 (23.4) | 1674 (75.6) | 540 (24.4) |
|
| 2010-2014 | 4892 (51.8) | 3797 (77.6) | 1095 (22.4) |
|
| 2015-2018 | 2315 (24.5) | 1785 (77.1) | 530 (22.9) |
|