Table 3. Average proportions of cases of tuberculosis, new or previously treated, that are multidrug-resistant in regions of the World Health Organization (WHO) and the world, 1994–2000.
| WHO region | New cases |
Previously treated cases |
|||
|---|---|---|---|---|---|
| % | 95% CI | % | 95% CI | ||
| African region | 1.9 | 0.6–3.3 | 9.4 | 3.0–15.8 | |
| Region of the Americas | 2.1 | 0.7–3.4 | 11.5 | 3.8–19.2 | |
| Eastern Mediterranean region | 3.4 | 0.9–5.9 | 20.6 | 7.5–33.7 | |
| European regiona | 12.1 | 8.6–15.6 | 36.5 | 32.5–40.6 | |
| South-East Asia region | 2.1 | 1.7–2.5 | 17.2 | 16.5–17.7 | |
| Western Pacific region | 4.9 | 3.6–6.1 | 23.2 | 19.6–26.9 | |
| World | 3.4 | 1.9–5.0 | 19.8 | 14.4–25.1 | |
CI, confidence interval.
a The values for Europe reflect the high levels of multidrug resistance documented in eastern European countries: 14.3% (95% CI: 12–16.7) among new cases and 39% (95% CI: 35.1–42.9) among previously treated cases of tuberculosis.
Note: The data were obtained from the World Health Organization.10,11