A Clinical Radiomics Nomogram Was Developed by Integrating Radiomics Signatures and Clinical Variables to Distinguish High-Grade ccRCC from Type 2 pRCC

Table 1

A CT scan parameters.

Manufacturer	Siemens	General Electric	Philips
Scanner model	Sensation 64	Discovery 750	Brilliance
Sequence	Axial	Axial	Axial
Gantry rotation time (s)	0.5	0.5	0.5
Tube voltage (kV)	120	120	120
Tube current (mA)	200	250–400	180–450
Detector collimation (mm)	64 × 0.6	64 × 0.625	64 × 0.625
Matrix	512 × 512	512 × 512	512 × 512
Pitch	1.0	1.375	1.0
Slice thickness (mm)	5	5	5
Corticomedullary phase (s)	30	30	30
Nephrographic phase (s)	80	80	80
Excretory phase (s)	180	180	180

s, second; kV, kilovolt; mA, milliampere; mm, millimeter.