Table 1. Annual incidence and relative risk of invasive pneumococcal disease amongst HIV- infected and -uninfected persons by age category, South Africa, 2008.
| Age category | Invasive pneumococcal disease incidence | Relative Risk | (95% confidence interval) | |||||
|---|---|---|---|---|---|---|---|---|
| Overall (95% confidence interval) | HIV-infected (95% confidence interval) | HIV-uninfected (95% confidence interval) | ||||||
| 5–19yrs | 3.2 | (3–3.5) | 81.4 | (73.4–90) | 0.6 | (0.5–0.8) | 127 | (101–160) |
| 20–49yrs | 10.1 | (9.7–10.5) | 46.3 | (44.3–48.4) | 1 | (0.9–1.2) | 46 | (40–54) |
| 50–64yrs | 7.9 | (7.1–8.8) | 74.7 | (66.1–84.1) | 2.3 | (1.9–2.8) | 32 | (26–41) |
| > 65yrs | 5.8 | (4.9–6.9) | 237.2 | (171–320.7) | 4.1 | (3.3–5) | 58 | (40–83) |
| All ages | 7.3 | (7.1–7.6) | 52 | (50.1–54) | 1.2 | (1.1–1.3) | 43 | (39–47) |