Table 2.

Chest CT and VFSS findings

	Findings supporting diagnosis
	Positive	Negative
Chest CT (n=623)
Aspiration pneumonia (n=113)	80	33
Non-aspiration pneumonia (n=510)	33	477
VFSS (n=60)
Aspiration pneumonia (n=32)	20	12
Non-aspiration pneumonia (n=28)	0	28

CT, computed tomography; VFSS, videofluoroscopic swallowing study.