Signs of pneumonia
| Signs | Positive likelihood ratio | Negative likelihood ratio |
|---|---|---|
| Asymmetric chest expansion6 | 44.1 | 1.0 |
| Egophony6,10,11 | 6.8 | 0.9 |
| Dullness to percussion6,10–12 | 5.7 | 0.9 |
| Bronchophony10 | 3.3 | 0.9 |
| Crackles6,10–12 | 3.2 | 0.7 |
| Diminished breath sounds10–12 | 2.5 | 0.7 |