Table 3.
Baseline characteristics by HIV status
| Variable | HIV negative (N = 4324), n (%) | HIV positive (N = 633), n (%) | HIV unknown (N = 1230), n (%) |
|---|---|---|---|
| Age (years), median (IQR) | 54.0 (42.1–63.9) | 45.3 (38.1–52.6) | 52.4 (40.3–61.9) |
| Age group (years) | |||
| <18 | 63 (1.5) | 5 (0.8) | 14 (1.1) |
| 18–39 | 751 (17.4) | 144 (22.8) | 248 (20.2) |
| 40–64 | 2337 (54.1) | 455 (71.9) | 677 (55.0) |
| 65–74 | 799 (18.5) | 24 (3.8) | 187 (15.2) |
| ≥75 | 374 (8.7) | 5 (0.8) | 104 (8.5) |
| Sex | |||
| Female | 1766 (40.8) | 258 (40.8) | 492 (40.0) |
| Male | 2558 (59.2) | 375 (59.2) | 738 (60.0) |
| First RRT modality | |||
| HD | 3543 (81.9) | 548 (86.6) | 997 (81.1) |
| PD | 746 (17.3) | 82 (13.0) | 221 (18.0) |
| Transplant | 35 (0.8) | 3 (0.5) | 12 (1.0) |
| Ethnicity | |||
| Black | 1985 (45.9) | 598 (94.5) | 755 (61.4) |
| White | 890 (20.6) | 6 (1.0) | 190 (15.5) |
| Mixed ancestry | 762 (17.6) | 15 (2.4) | 88 (7.2) |
| Indian/Asian | 617 (14.3) | 9 (1.4) | 179 (14.6) |
| Other/Unknown | 70 (1.6) | 5 (0.8) | 18 (1.5) |
| Diabetes | |||
| Diabetes present | 2124 (49.1) | 218 (34.4) | 537 (43.7) |
| No diabetes | 2056 (47.6) | 386 (61.0) | 481 (39.1) |
| No data | 144 (3.3) | 29 (4.6) | 212 (17.2) |
| Primary diagnosis | |||
| Hypertensive renal disease | 1659 (38.4) | 232 (36.7) | 355 (28.9) |
| Aetiology uncertain | 1048 (24.2) | 195 (30.8) | 581 (47.2) |
| Diabetic nephropathy | 999 (23.1) | 80 (12.6) | 173 (14.1) |
| Glomerular diseasea | 317 (7.3) | 110 (17.4) | 52 (4.2) |
| Cystic kidney disease | 110 (2.5) | 4 (0.6) | 10 (0.8) |
| Otherb | 191 (4.4) | 12 (1.9) | 59 (4.8) |
| Healthcare sector | |||
| Public | 681 (15.8) | 104 (16.4) | 257 (20.9) |
| Private | 3643 (84.3) | 529 (83.6) | 973 (79.1) |
| Province | |||
| Eastern Cape | 449 (10.4) | 76 (12.0) | 122 (9.9) |
| Free State | 255 (5.9) | 55 (8.7) | 51 (4.2) |
| Gauteng | 1065 (24.6) | 153 (24.2) | 378 (30.7) |
| KwaZulu-Natal | 962 (22.3) | 202 (31.9) | 368 (29.9) |
| Limpopo | 201 (4.7) | 33 (5.2) | 59 (4.8) |
| Mpumalanga | 125 (2.9) | 42 (6.6) | 47 (3.8) |
| North West | 156 (3.6) | 28 (4.4) | 123 (10.0) |
| Northern Cape | 76 (1.8) | 3 (0.5) | 23 (1.9) |
| Western Cape | 1035 (23.9) | 41 (6.5) | 59 (4.8) |
| Hepatitis B status | |||
| Carrier | 65 (1.5) | 30 (4.7) | 7 (0.6) |
| Immune | 374 (8.7) | 33 (5.2) | 33 (2.7) |
| Negative | 3797 (87.8) | 525 (82.9) | 264 (21.5) |
| No data | 88 (2.0) | 45 (7.1) | 926 (75.3) |
| Hepatitis C status | |||
| Positive | 27 (0.6) | 2 (0.3) | 2 (0.2) |
| Negative | 4024 (93.1) | 547 (86.4) | 246 (20.0) |
| No data | 273 (6.3) | 84 (13.3) | 982 (79.8) |
a
Includes nephropathy related to HIV.
bIncludes all other primary renal diagnoses.