Sensitivity and specificity of the WHO criteria (±fever) for detecting pneumonia by age
| Criteria | Sensitivity (95% CI) | Specificity (95% CI) |
|---|---|---|
| All children (n=390) | ||
| WHO | 84% (74% to 92%) | 19% (15% to 24%) |
| WHO+fever | 81% (70% to 90%) | 46% (40% to 52%) |
| Children <24 months (n=265) | ||
| WHO | 94% (83% to 99%) | 20% (15% to 26%) |
| WHO+fever | 92% (80% to 98%) | 44% (40% to 53%) |
| Children ≥24 months (n=125) | ||
| WHO | 62% (38% to 82%) | 16% (10% to 25%) |
| WHO+fever | 57% (34% to 78%) | 50% (40% to 60%) |