Table 1.
Demographic and clinical characteristics among individuals with a lab diagnosed CKD between 2012 and 2016, overall and by CKD status
| Total persons with CKD (N=88 273) | By CKD stage at first lab | ||||
|---|---|---|---|---|---|
| Stage 3a (eGFR 45–59) (N=38 770) | Stage 3b (eGFR 30–44) (N=25 462) | Stage 4 (eGFR 15–29) (N=14 055) | Stage 5 (eGFR <15) (N=9986) | ||
| Biological sex | |||||
| Male | 32 766 (37.1%) | 13 532 (34.9%) | 9005 (35.4%) | 5580 (39.7%) | 4649 (46.6%) |
| Female | 55 507 (62.9%) | 25 238 (65.1%) | 16 457 (64.6%) | 8475 (60.3%) | 5337 (53.4%) |
| Age (years) | |||||
| 18–29.9 | 3445 (3.9%) | 1318 (3.4%) | 736 (2.9%) | 536 (3.8%) | 855 (8.6%) |
| 30–39.9 | 8683 (9.8%) | 3807 (9.8%) | 2046 (8.0%) | 1289 (9.2%) | 1541 (15.4%) |
| 40–49.9 | 13 542 (15.3%) | 6113 (15.8%) | 3347 (13.2%) | 2012 (14.3%) | 2070 (20.7%) |
| 50–59.9 | 18 697 (21.2%) | 8293 (21.4%) | 5108 (20.1%) | 2995 (21.3%) | 2301 (23.0%) |
| >60 | 43 906 (49.7%) | 19 239 (49.6%) | 14 225 (55.9%) | 7223 (51.4%) | 3219 (32.2%) |
| Diabetes | |||||
| No | 10 035 (11.4%) | 3378 (8.7%) | 2621 (10.3%) | 1814 (12.9%) | 2222 (22.3%) |
| Yes | 11 303 (12.8%) | 4332 (11.2%) | 3729 (14.7%) | 2269 (16.1%) | 973 (9.7%) |
| Unknown | 66 935 (75.8%) | 31 060 (80.1%) | 19 112 (75.1%) | 9972 (71.0%) | 6791 (68.0%) |
| HIV/TB status | |||||
| HIV−/TB− | 67 897 (76.9%) | 29 780 (76.8%) | 19 605 (77.0%) | 10 831 (77.1%) | 7681 (76.9%) |
| HIV+/TB− | 14 559 (16.5%) | 6454 (16.7%) | 4162 (16.4%) | 2285 (16.3%) | 1658 (16.6%) |
| HIV−/TB+ | 4575 (5.2%) | 1967 (5.1%) | 1342 (5.3%) | 757 (5.4%) | 509 (5.1%) |
| HIV+/TB+ | 1242 (1.4%) | 569 (1.5%) | 353 (1.4%) | 182 (1.3%) | 138 (1.4%) |
| Location of first CKD lab measure | |||||
| Primary health centre | 39 484 (44.7%) | 21 379 (55.1%) | 11 727 (46.1%) | 4590 (32.7%) | 1788 (17.9%) |
| Hospital | 48 789 (55.3%) | 17 391 (44.9%) | 13 735 (53.9%) | 9465 (67.3%) | 8198 (82.1%) |
| Province | |||||
| Gauteng | 24 545 (27.8%) | 11 266 (29.1%) | 7008 (27.5%) | 3562 (25.3%) | 2709 (27.1%) |
| KwaZulu-Natal | 23 107 (26.2%) | 9731 (25.1%) | 7021 (27.6%) | 3875 (27.6%) | 2480 (24.8%) |
| Western Cape | 10 737 (12.2%) | 4884 (12.6%) | 3110 (12.2%) | 1680 (12.0%) | 1063 (10.6%) |
| Eastern Cape | 8386 (9.5%) | 3377 (8.7%) | 2455 (9.6%) | 1536 (10.9%) | 1018 (10.2%) |
| Mpumalanga | 6517 (7.4%) | 3612 (9.3%) | 1642 (6.5%) | 781 (5.6%) | 482 (4.8%) |
| Limpopo | 4958 (5.6%) | 1942 (5.0%) | 1393 (5.5%) | 891 (6.3%) | 732 (7.3%) |
| North West | 4962 (5.6%) | 2100 (5.4%) | 1374 (5.4%) | 828 (5.9%) | 660 (6.6%) |
| Free State | 3763 (4.3%) | 1434 (3.7%) | 1093 (4.3%) | 636 (4.5%) | 600 (6.0%) |
| Northern Cape | 1298 (1.5%) | 424 (1.1%) | 366 (1.4%) | 266 (1.9%) | 242 (2.4%) |
CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate; TB, tuberculosis.