Table 2. Patient characteristics at ART initiation among those who initiated ART stratified by age <50 and ≥50 years at enrolment.
| <50 years (n = 19799) | ≥50 years (n = 2783) | |||
|---|---|---|---|---|
| Variable | n | Median (IQR) or n (%) | Median (IQR) or n (%) | P–value |
| Age at ART start (Years) | 22582 | 33.6 (27.6, 39.9) | 55.5 (52.3, 60.4) | |
| Male | 22582 | 5928 (29.9%) | 1307 (47.0%) | <0.001 |
| Married | 22454 | 10341 (52.5%) | 1360 (49.1%) | 0.001 |
| Years of school | 19219 | 8.0 (7.0, 11.0) | 7.0 (5.0, 11.0) | <0.001 |
| Urban clinic location | 22582 | 8803 (44.5%) | 1061 (38.1%) | <0.001 |
| CD4 cells per mm3 | 15749 | 190.0 (81.0, 323.0) | 168.0(80.0, 268.0) | <0.001 |
| <200 | 7206 (52.4%) | 1178 (59.2%) | ||
| 200–499 | 5083 (36.9%) | 749 (37.7%) | <0.001 | |
| ≥500 | 1471 (10.7%) | 62 (3.1%) | ||
| BMI at ART start (kg/m2) | 13016 | 20.1 (17.9, 22.5) | 19.2 (17.4, 21.5) | <0.001 |
| <18.5 | 3597 (31.2%) | 607 (40.4%) | ||
| 18.5–25.0 | 6664 (57.9%) | 767 (51.0%) | <0.001 | |
| >25.0 | 1035 (1.9%) | 94 (2.3%) | ||
| WHO clinical stage | ||||
| Stage I&II | 22120 | 11903 (61.5%) | 1482(53.6%) | <0.001 |
| Stage III&IV | 7452 (38.5%) | 1283 (46.4%) |