Table 1.

Frequency of intraluminal signs in the studied patients with PE regarding the location of involvement on unenhanced MDCT scans^*

Clot Type	Central	Peripheral	P
Hyperdense	10 (50.0)	2 (10.0)	<0.001
Hypodense	3 (15.0)	0	<0.001
Mixed	4 (20.0)	1 (5.0)	<0.001
Overall	17 (85.0)	3 (15.0)	<0.001

PE, Pulmonary embolism; MDCT, Computed tomography pulmonary angiography

^*Data are presented as n (%).