Area | Age group (years) | 1997 | 2004 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Est annual incidence per 100 py | 95% CI | Negative specimens | Positive specimens | Recent infections by STARHS‡ | Est annual incidence per 100 py | 95% CI | Negative specimens | Positive specimens | Recent infections by STARHS‡ | ||
E,W&NI, England, Wales and Northern Ireland; STARHS, serological testing algorithm for recent HIV seroconversion. | |||||||||||
Data for other years available on request. Source: Unlinked anonymous genitourinary medicine surveys in England, Wales and Northern Ireland16,17 | |||||||||||
*Those who were aware of their HIV status, including men on highly active antiretroviral therapy and those with AIDS, were excluded from analyses. | |||||||||||
†Data were not available for Scotland. | |||||||||||
‡Missing specimens were allocated as reactive or non-reactive in STARHS by reallocation in the same proportion as known specimens by clinic and age group. | |||||||||||
London | <35 | 2.58 | (1.31 to 4.85) | 2750 | 142 | 22 | 2.80 | (1.34 to 5.31) | 2312 | 99 | 21 |
⩾35 | 2.58 | (1.05 to 5.66) | 1497 | 81 | 11 | 4.16 | (2.06 to 7.68) | 1751 | 110 | 24 | |
Elsewhere in E,W&NI | <35 | 2.04 | (0.56 to 5.67) | 950 | 31 | 6 | 1.64 | (0.58 to 3.81) | 1855 | 26 | 10 |
⩾35 | 1.90 | (0.28 to 7.06) | 532 | 14 | 3 | 3.78 | (1.5 to 8.17) | 1034 | 47 | 13 |