Validation of imaging reporting and data system of coronavirus disease 2019 lexicons CO-RADS and COVID-RADS with radiologists’ preference: a multicentric study

Egyptian Journal of Radiology and Nuclear Medicine

Table 1 Technical parameters employed in chest imaging within the multiple centers

	First center	Second center	Third center	Fourth center
Vendor	Philips	Philips	Toshiba	GE
Model	Ingenuity	Brilliance	Lightning acquilion	Bright speed
Number of detectors	32	64	16	16
Scout
kV	100	120	120	120
mAs	30	30	50	10
Scan
kV	120	120	100–120	120
mAs	300	100	Auto mA 100	Auto mA 100
Pitch	0.798	0.6	1.1	1.375
Gantry tilt	0	0	0	0
FOV	Depends on body size