A CT-Based Radiomics Approach for the Differential Diagnosis of Sarcomatoid and Clear Cell Renal Cell Carcinoma

Table 2

Subjective CT findings of SRCC and CCRCC patient groups.

Imaging features	SRCC (29)	CCRCC (99)	value
Spread pattern
Infiltrative	16 (55.17%)	12 (12.12%)	<0.001^a
Noninfiltrative	13 (44.83%)	87 (87.88%)
Venous thrombus
Present	6 (20.69%)	3 (3.03%)	0.001^a
Absent	23 (79.31%)	96 (96.97%)
Intratumoral neovascularity
Present	14 (48.28%)	30 (30.30%)	0.073^a
Absent	15 (51.72)	69 (60.70%)
Peritumoral neovascularity
Present	24 (82.76%)	58 (58.59%)	0.017^a
Absent	5 (17.24%)	41 (41.41%)
Calcification
Present	13 (44.83%)	19 (19.19%)	0.005^a
Absent	16 (55.17%)	80 (80.81%)
Diameter (cm, )			<0.001^b

std: standard deviation; is set as significant difference; ^a test; ^bStudent’s -test.