Table 2.

Technical specifications of the CT scans

	Value	Number of cases
Slice thickness (mm)	1.5	38
	2.0	37
	3.0	41
	5.0	7
In-plane pixel spacing (mm)	0.56 × 0.56 to 0.98 × 0.98	123
Tube voltage (kV)	120	122
	140	1
Exposure (mAs)	39 to 467	123
Scanner	Sensation 16	3
	Sensation 4	11
	Sensation Cardiac 64	6
	Sensation Open	102
	SOMATOM Definition	1
Convolution kernel	B60s	3
	B60f	5
	B70s	1
	B70f	114
Contrast phase	Non-contrast	7
	Arterial	6
	Venous	110

mm millimeter, kV kilovolt, mAs milliampere second