Table 1. Baseline characteristics of adolescents and young adults treated for TB in Cape Town during 2009–13.
| Age category (years) | 10–14 | 15–19 | 20–24 | Total |
|---|---|---|---|---|
| N (%) | N (%) | N (%) | N (%) | |
| All patients | 2017 (100%) | 7046 (100%) | 14674 (100%) | 23737 (100%) |
| HIV status | ||||
| HIV Negative | 1536 (76.2%) | 5889 (83.6%) | 9393 (64.0%) | 16818 (70.9%) |
| HIV Positive | 373 (18.5%) | 909(12.9%) | 4855 (33.1%) | 6137(25.9%) |
| Unknown status | 108 (5.4%) | 248 (3.5%) | 426 (2.9%) | 782 (3.3%) |
| Gender | ||||
| Female | 1131 (56.1%) | 3873 (55.0%) | 7957 (54.2%) | 12961 (54.6%) |
| Male | 886 (43.9%) | 3173 (45.0%) | 6717 (45.8%) | 10776 (45.4%) |
| Classification | ||||
| PTB | 1646 (81.6%) | 6197 (88.0%) | 12540 (85.5%) | 20383 (85.9%) |
| EPTB | 371 (18.4%) | 849 (12.0%) | 2134 (14.5%) | 3354 (14.1%) |
| Category | ||||
| New TB | 1914 (94.9%) | 6323 (89.7%) | 12146 (82.8%) | 20383 (85.9%) |
| Retreatment TB | 103 (5.1%) | 723 (10.3%) | 2528 (17.2%) | 3354 (14.1%) |
| HIV positive patients* | ||||
| CD4 count <100 | 68(18.2%) | 156 (17.2%) | 1267 (26.1%) | 1491(24.3%) |
| CD4 count: 100–199 | 51 (13.7%) | 208 (22.9%) | 1050 (21.6%) | 1309 (21.3%) |
| CD4 count: 200–349 | 81 (21.7%) | 225 (24.8) | 1169 (24.1) | 1475(24.0%) |
| CD4 count: 350–499 | 55 (14.7%) | 151 (16.6%) | 684 (14.1%) | 890 (14.5%) |
| CD4 count > = 500 | 76 (20.4%) | 126 (13.9%) | 499 (10.3%) | 701(11.4%) |
| Unknown CD4 count | 42 (11.3%) | 43 (4.7%) | 186 (3.8%) | 271 (4.4%) |
| Median CD4 count (IQR) | 279 (131–486) | 239 (128–391) | 201 (92–352) | 210 (98–365) |
| ART naïve at start of TB Rx | 255 (68.1%) | 770 (84.7%) | 4082 (84.1%) | 5107 (83.2%) |
| On ART at start of TB Rx | 118 (31.6%) | 139 (15.3%) | 770 (15.9%) | 1027 (16.7%) |
| Unknown ART status | 0 | 0 | 3 (0.1%) | 3 (0%) |
*The CD4 count and ART status at start of TB Rx refer to the 6137 HIV positive patients
ART, Antiretroviral Therapy; EPTB, Extrapulmonary Tuberculosis; PTB, Pulmonary Tuberculosis; Rx, treatment course.