Table 1.
Demographic characteristics of adolescents and young adults with a cancer diagnosis stratified by HIV status in the South African public health sector, 2004–2014
| HIV negative | HIV positive | HIV unknown | |
| n (%) | n (%) | n (%) | |
| Age | |||
| Median age (IQR) (years) | 18 (13–21) | 22 (19–23) | 20 (16–22) |
| 10–14 | 635 (32.3%) | 200 (10.8%) | 922 (19.8%) |
| 15–19 | 585 (29.8%) | 338 (18.2%) | 1331 (28.6%) |
| 20–24 | 744 (37.9%) | 1317 (71.0%) | 2407 (51.7%) |
| Sex | |||
| Female | 877 (44.7%) | 1247 (67.2%) | 2484 (53.3%) |
| Male | 1087 (55.3%) | 607 (32.7%) | 2169 (46.5%) |
| Missing | 0 (0%) | 1 (0.1%) | 7 (0.2%) |
| Ethnicity | |||
| Asian | 34 (1.7%) | 14 (0.8%) | 106 (2.3%) |
| Black | 1258 (64.1%) | 1593 (85.9%) | 3525 (75.6%) |
| Coloured (mixed race) | 323 (16.4%) | 103 (5.6%) | 317 (6.8%) |
| White | 274 (14.0%) | 74 (4.0%) | 487 (10.5%) |
| Missing | 75 (3.8%) | 71 (3.8%) | 225 (4.8%) |
| Type of cancer | |||
| Non-AIDS defining cancer | 1699 (86.5%) | 697 (37.6%) | 3411 (73.2%) |
| AIDS defining cancer | 206 (10.5%) | 1129 (60.9%) | 1062 (22.8%) |
| Primary site unknown | 59 (3.0%) | 29 (1.6%) | 187 (4.0%) |
| ART calendar period | |||
| 2004–2007 | 594 (30.2%) | 500 (27.0%) | 2062 (44.2%) |
| 2008–2011 | 822 (41.9%) | 784 (42.3%) | 1647 (35.3%) |
| 2012–2014 | 548 (27.9%) | 571 (30.8%) | 951 (20.4%) |
| Multiple primary cancer | |||
| Yes | 10 (0.50%) | 13 (0.70%) | 31 (0.67%) |
| No | 1954 (99.5%) | 1842 (99.3%) | 4629 (99.3%) |
| Total | 1964 (100%) | 1855 (100%) | 4660 (100%) |
Multiple primary cancer refers to an individual with more than one cancer at different primary sites.
ART, antiretroviral therapy; IQR, interquartile range.