Table 3.
Age-specific incidence of MRSA infections for diagnosis years 1995 and 2010 in HIV-infected and HIV-uninfected patients
| Year | Age (yr) | HIV-infected patients | HIV-uninfected patients | ||||
|---|---|---|---|---|---|---|---|
| No. of MRSA | Person-years | Age-specific rate (95% CI)* | No. of MRSA | Person-years | Age-specific rate (95% CI)* | ||
| 1995 | <10 | 0 | 9·2 | 0·0 (0·0–0·0) | 12 | 306 330 | 3·9 (1·7–6·1) |
| 10–19 | 0 | 11 | 0·0 (0·0–0·0) | 13 | 350 675 | 3·7 (1·7–5·7) | |
| 20–29 | 0 | 314·5 | 0·0 (0·0–0·0) | 12 | 269 837 | 4·4 (1·7–7·2) | |
| 30–39 | 2 | 1668·6 | 119·9 (0·0–291·5) | 25 | 388 140 | 6·4 (3·8–9·1) | |
| 40–49 | 4 | 1403 | 285·1 (18·3–551·9) | 35 | 410 017 | 8·5 (5·1–12·0) | |
| 50–59 | 0 | 506·4 | 0·0 (0·0–0·0) | 41 | 288 284 | 14·2 (9·7–18·8) | |
| ⩾60 | 1 | 135·6 | 737·3 (0·0–2113·7) | 219 | 373 179 | 58·7 (50·7–66·7) | |
| 2010 | <10 | 0 | 4 | 0·0 (0·0–0·0) | 967 | 365 542 | 264·5 (247·2–281·8) |
| 10–19 | 0 | 24·5 | 0·0 (0·0–0·0) | 1020 | 441 798 | 230·9 (216·2–245·6) | |
| 20–29 | 8 | 234·3 | 3413·8 (1204·3–5623·3) | 1077 | 347 264 | 310·1 (290·7–329·6) | |
| 30–39 | 20 | 818·2 | 2444·3 (1382·6–3506·0) | 1113 | 416 892 | 267·0 (250·6–283·3) | |
| 40–49 | 50 | 2255·7 | 2216·6 (1543·6–2889·6) | 1263 | 463 097 | 272·7 (256·6–288·9) | |
| 50–59 | 37 | 1948·6 | 1898·8 (1253·5–2544·0) | 1465 | 471 475 | 310·7 (293·7–327·7) | |
| ⩾60 | 16 | 963·4 | 1660·7 (817·7–2503·8) | 3206 | 650 393 | 492·9 (474·8–511·1) | |
MRSA, Methicillin-resistant Staphylococcus aureus.
*
Age-specific rates and 95% confidence intervals (CI) per 100000 person-years.