Table 1.
Medians of incidence and lethality rates of acute bacterial meningitis in children under 5 y of age by World Health Organization (WHO) regions and in the world. Presented are interquartile ranges and the minimum and maximum of observed values.
| WHO region | Number of studies | Median incidence rate (per 100 000 child-years) | Interquartile range | Minimum | Maximum | Median case-fatality rate | Interquartile range | Minimum | Maximum |
|---|---|---|---|---|---|---|---|---|---|
| Africa |
21 |
143.6 |
115.6-174.6 |
43.4 |
311.0 |
0.313 |
0.262-0.317 |
0.203 |
0.388 |
| Americas |
11 |
16.6 |
10.3-33.7 |
8.5 |
59.6 |
0.153 |
0.141-0.207 |
0.092 |
0.396 |
| Eastern Mediterranean |
7 |
34.3 |
9.9-42.0 |
3.1 |
43.0 |
0.063 |
0.052-0.105 |
0.041 |
0.146 |
| Europe |
14 |
20.8 |
16.2-29.7 |
8.9 |
36.6 |
0.081 |
0.054-0.107 |
0.053 |
0.200 |
| South-East Asia |
5 |
26.8 |
21.0-60.3 |
14.2 |
66.8 |
0.037 |
0.033-0.041 |
0.029 |
0.045 |
| Western Pacific |
13 |
42.9 |
12.4-83.4 |
5.3 |
149.6 |
0.078 |
0.048-0.117 |
0.033 |
0.184 |
| World | 71 | 34.0 | 16.0-88.0 | 3.1 | 311.0 | 0.144 | 0.053-0.262 | 0.029 | 0.396 |