Isoniazid and multidrug resistance by age, sex, ethnic group and place of birth, 1993–9, UK
| Isoniazid resistance* | Multidrug resistance | ||||
|---|---|---|---|---|---|
| All isolates | No (%) | 95% CI | No (%) | 95% CI | |
| *Isoniazid resistance: with or without resistance to other drugs. | |||||
| Age | |||||
| 0–14 | 510 | 32 (6.3) | (4.3 to 8.7) | 4 (0.8) | (0.2 to 2.0) |
| 15–44 | 12268 | 934 (7.6) | (7.1 to 8.1) | 190 (1.5) | (1.3 to 1.8) |
| 45–64 | 5518 | 256 (4.6) | (4.1 to 5.2) | 60 (1.1) | (0.8 to 1.4) |
| ≥65 | 5992 | 157 (2.6) | (2.2 to 3.1) | 32 (0.5) | (0.4 to 0.8) |
| Unknown | 929 | 53 (5.7) | (4.3 to 7.4) | 13 (1.4) | (0.7 to 2.4) |
| Sex | |||||
| M | 14214 | 837 (5.9) | (5.5 to 6.3) | 201 (1.4) | (1.2 to 1.6) |
| F | 10049 | 547 (5.4) | (5.0 to 5.9) | 91 (0.9) | (0.7 to 1.1) |
| Unknown | 954 | 48 (5.0) | (3.7 to 6.6) | 7 (0.7) | (0.3 to 1.5) |
| Ethnic origin | |||||
| Black African | 1326 | 134 (10.1) | (8.5 to 11.9) | 26 (2.0) | (1.3 to 2.9) |
| Indian subcontinent | 4825 | 348 (7.2) | (6.5 to 8.0) | 66 (1.4) | (1.1 to 1.7) |
| Black Caribbean | 226 | 11 (4.9) | (2.5 to 8.5) | 1 (0.4) | (0.0 to 2.4) |
| Oriental | 377 | 37 (9.8) | (7.0 to 13.3) | 2 (0.5) | (0.1 to 1.9) |
| White | 6884 | 284 (4.1) | (3.7 to 4.6) | 99 (1.4) | (1.2 to 1.7) |
| Other | 229 | 16 (7.0) | (4.0 to 11.1) | 5 (2.2) | (0.7 to 5.0) |
| Unknown | 11350 | 602 (5.3) | (4.9 to 5.7) | 100 (0.9) | (0.7 to 1.1) |
| UK born | |||||
| Yes | 6246 | 264 (4.2) | (3.7 to 4.8) | 64 (1.0) | (0.8 to 1.3) |
| No | 4614 | 420 (9.1) | (8.3 to 10.0) | 92 (2.0) | (1.6 to 2.4) |
| Unknown | 14357 | 748 (5.2) | (4.9 to 5.6) | 143 (1.0) | (0.8 to 1.2) |