Table 2.

CT acquisition protocols.

Protocol	#1	#2	#3	#4
% of cases	70%	20%	7%	3%
Transverse resolution (mm)	0.765	0.765	0.765	0.765
Slice width (mm)	2.5	1.25	2.5	2.5
Slice spacing (mm)	2.5	1.25	0.625	1.1
Pitch	1.375	0.969	1.375	0.984