| Cases | Controls |  | |
---|---|---|---|---|
 |  | Median (IQR) | Median (IQR) | P value* |
Absolute CD4 count | Overall | 241 (79–534) | 313 (127–625) | 0.035 |
 | ≤ 5 years | 542 (273 – 1214) | 728 (461 – 1129) | 0.038 |
 | >5-10 years | 257 (133–474) | 272 (147–382) | 0.873 |
 | >10 – 18 years | 135 (50–210) | 130 (44–262) | 0.622 |
 | Mean (SD) | Mean (SD) | P value |  |
Percentage CD4 count | Overall | 15 (10.5) | 16 (11.0) | 0.223 |
 | ≤ 5 years | 19 (10.9) | 19 (9.5) | 0.945 |
 | >5-10 years | 15 (8.3) | 16 (12.1) | 0.406 |
 | >10 – 18 years | 11 (10.0) | 13 (11.0) | 0.283 |
 | Median (IQR) | Median (IQR) | P value* |  |
Viral load (x10 4) | Overall | 12.0 (2.4 – 38.6) | 7.8 (2.3 - 35) | 0.176 |
 | ≤ 5 years | 18.8 (2.9 – 75) | 17.7 (2.5 – 52.5) | 0.283 |
 | >5-10 years | 4.4 (1.5 – 17.4) | 6.1 (1.8 – 28.6) | 0.658 |
 | >10 – 18 years | 13.1 (2.4 – 37.0) | 7.6 (2.0 – 25.5) | 0.183 |