Table 1. Patient characteristics at enrolment stratified by age <50 and ≥50 years.
| <50 years (n = 29023, 88.0%) | ≥50 years (n = 3942, 12.0%) | |||
|---|---|---|---|---|
| Variable | n | Median (IQR) or n (%) | Median (IQR) or n (%) | P–value |
| Age (years) | 32965 | 32.5 (26.6, 38.9) | 54.9 (51.7, 59.9) | NA |
| Male | 32965 | 9328 (32.1%) | 1874 (47.5%) | <0.001 |
| Married | 32556 | 14420 (50.3%) | 1879 (48.1%) | 0.009 |
| Years of school | 27900 | 8.0 (7.0, 10.0) | 7.0 (5.0, 10.0) | <0.001 |
| Urban clinic location | 32965 | 13139 (45.3%) | 1534 (38.9%) | <0.001 |
| CD4 cells per mm3 | 24494 | 268.0 (107.0, 470.0) | 219.0 (93.0, 385.0) | <0.001 |
| <200 | 8535 (39.7%) | 1384 (46.6%) | ||
| 200–499 | 24494 | 8189 (38.1%) | 1159 (39.0%) | <0.001 |
| ≥500 | 4797 (22.3%) | 430 (14.5%) | ||
| BMI (kg/m2) | 23102 | 20.0 (18.0, 22.3) | 19.4 (17.4, 21.7) | <0.001 |
| <18.5 | 6273 (30.8%) | 1088 (39.5%) | ||
| 18.5–25.0 | 23102 | 12069 (59.3%) | 1407 (51.1%) | <0.001 |
| 25.0–30.0 | 1663 (8.2%) | 195 (7.1%) | ||
| >30.0 | 341 (1.7%) | 66 (2.4%) | ||
| WHO clinical stage | ||||
| Stage I& II | 29124 | 17193 (67.3%) | 2111 (59.4%) | <0.001 |
| Stage III& IV | 8376 (32.7%) | 1444 (40.8%) | ||
| Disclosed HIV status | 32016 | 19851 (70.4%) | 2431 (63.6%) | <0.001 |
| On TB treatment | 30822 | 2002 (7.4%) | 278 (7.5%) | 0.777 |
| Receiving OI prophylaxis | 30824 | 14708 (54.2%) | 2123 (57.4%) | <0.001 |
| Point of testing | ||||
| pMTCT | 21280 | 2292 (12.2%) | 20 (0.8%) | |
| VCT/mVCT, | 7025 (37.3%) | 924 (38.1%) | <0.001 | |
| Hospital/healthcare facility | 9538 (50.6%) | 1481 (61.1%) |
pMTCT–prevention of Mother-to-Child Transmission.
VCT–Voluntary Counselling and Testing.
mVCT–mobile Voluntary Counselling and Testing.
OI–Opportunistic Infections.