TABLE 3
Signs of pneumonia
Signs
Positive likelihood ratio
Negative likelihood ratio
Asymmetric chest expansion
6
44.1
1.0
Egophony
6
,
10
,
11
6.8
0.9
Dullness to percussion
6
,
10
–
12
5.7
0.9
Bronchophony
10
3.3
0.9
Crackles
6
,
10
–
12
3.2
0.7
Diminished breath sounds
10
–
12
2.5
0.7