Isoniazid resistance by ethnic group and previous tuberculosis status, 1998 and 1999. Number (and percentage) of M tuberculosis complex initial isolates resistant to isoniazid (any resistance* or mono resistance†) by ethnic group and previous tuberculosis status, 1998 and 1999, UK
| Previous tuberculosis status | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No previous tuberculosis | Previous tuberculosis | Previous tuberculosis unknown | ||||||||||
| Ethnic group | Any | Any (%) | Mono | Mono (%) | Any | Any (%) | Mono | Mono (%) | Any | Any (%) | Mono | Mono (%) |
| *Any resistance: isolates resistant to isoniazid with or without resistance to drugs. | ||||||||||||
| †Monoresistance: isolates resistant to isoniazid and sensitive to rifampicin, pyrazinamide, and ethambutol irrespective of sensitivity to streptomycin. | ||||||||||||
| Where fewer than five cases are reported, the proportion resistant has not been calculated. | ||||||||||||
| Black African | 49 | 8.01 | 39 | 6.37 | 5 | 9.80 | 0 | – | 22 | 9.40 | 20 | 8.55 |
| Black Caribbean | 7 | 6.80 | 6 | 5.83 | 0 | – | 0 | – | 3 | – | 3 | – |
| ISC | 99 | 6.07 | 86 | 5.27 | 20 | 12.05 | 8 | 4.82 | 31 | 5.95 | 30 | 5.76 |
| Oriental | 17 | 11.64 | 16 | 10.96 | 1 | – | 0 | – | 4 | – | 4 | – |
| Other | 7 | 7.53 | 6 | 6.45 | 1 | – | 0 | – | 7 | 18.92 | 6 | 13.95 |
| Unknown | 3 | – | 2 | – | 14 | 23.73 | 6 | 10.17 | 100 | 4.76 | 84 | 3.99 |
| White | 62 | 4.13 | 53 | 3.53 | 20 | 8.47 | 6 | 2.54 | 8 | 1.85 | 3 | 0.69 |
| Total | 244 | 5.90 | 208 | 5.03 | 61 | 11.32 | 20 | 3.71 | 175 | 5.15 | 150 | 4.42 |