From: A new scoring system and clinical algorithm for the management of suspected foreign body aspiration in children: a retrospective cohort study
Weighted risk score
≤1
2–3
4–5
> 5
Total
P value
FBA
Positive
N
7
55
43
34
139
< 0.001*
%
15.6%
73.3%
87.8%
100.0%
68.5%
Negative
38
20
6
0
64
84.4%
26.7%
12.2%
0.0%
31.5%
45
75
49
203