Table 5 Multivariable stepwise linear regression analysis for risk factors associated with radiolucent FBA in adults

Witnessed choking

 Witnessed choking

0.02

0–0.14

 < 0.001*

Multidetector computed tomography (MDCT) presentations

 Pneumonic patch

6.99

1.80–27.22

0.005*

Type of foreign body

 Bones

Ref.

–

–

 Medicine pills

2.15

0–1029

0.84

 Plants/meat

6.17

1.12–33.96

0.04*

 Inorganics^#

4.81

0.17–133

0.35

 Unknown

1.52

0.22–10.21

0.67