Table 4.

Multivariable binary logistic regression model and weighted risk score for prediction of foreign body aspiration

Variables	Coefficient	Weight risk score	AOR	95% CI of AOR	P value	R2%	Accuracy %	Sens.%	Spec.%	AUC	95% of AUC
Witnessed chocking	1.75	2	5.78	2.30–14.54	< 0.001*	58.7	86.2	90.6	76.6	0.911	0.863 to 0.946
New onset/recurrent wheeze	1.67	2	5.31	1.15–24.36	0.032*
Sudden cough	3.08	3	21.71	2.30–204.63	0.007*
Unilateral diminished breath sounds	3.52	3	33.729	9.36–121.53	< 0.001*
Wheezy chest	1.10	1	3.012	1.19–7.63	0.020*
Respiratory distress	2.28	2	9.774	2.07–46.09	0.004*
Unilateral hyperinflation	2.59	2	13.338	1.09–162.42	0.042*

*significant at p < 0.05; AOR: adjusted odds ratio, AUC: area under the curve; Sens.: sensitivity; Spec.: specificity; CI: confidence interval