| |
Sensitivity %
|
Specificity %
|
+LR
|
-LR
|
AUC
|
95% CI of AUC
|
P value
|
|---|
|
Witnessed chocking
|
54.0
|
70.3
|
1.82
|
0.65
|
0.621
|
0.551 to 0.688
|
< 0.001*
|
|
Sudden cough
|
15.1
|
98.4
|
9.67
|
0.86
|
0.568
|
0.497 to 0.637
|
< 0.001*
|
|
New onset or recurrent wheezes
|
25.9
|
95.31
|
5.53
|
0.78
|
0.606
|
0.535 to 0.674
|
< 0.001*
|
|
Unilateral diminished breath sound
|
43.2
|
93.8
|
6.91
|
0.61
|
0.685
|
0.616 to 0.748
|
< 0.001*
|
|
Wheezy chest
|
39.6
|
76.6
|
1.69
|
0.79
|
0.581
|
0.510 to 0.649
|
0.017*
|
|
Respiratory distress
|
18.0
|
95.3
|
3.84
|
0.86
|
0.566
|
0.495 to 0.636
|
0.001*
|
|
Chest X-ray Abnormality
|
41.7
|
75.0
|
1.67
|
0.78
|
0.584
|
0.513 to 0.652
|
0.015*
|
|
Radiopaque FB
|
9.4
|
100.0
|
–
|
0.91
|
0.547
|
0.476 to 0.617
|
0.002*
|
|
Unilateral hyperinflation
|
10.8
|
98.4
|
6.91
|
0.91
|
0.546
|
0.475 to 0.616
|
0.002*
|
- *significant at p < 0.05; AUC: area under the curve. +LR: positive likelihood ratio, −LR: negative likelihood ratio; CI: confidence interval
