The value of a dual-energy CT Iodine map radiomics model for the prediction of collagen fiber content in the ccRCC tumor microenvironment

Table 4 Relationship between patients' clinical characteristics and collagen fibre content (p-value) (n = 87)

Clinical Characteristics	Large (n = 59)	Small (n = 28)	Total (n = 87)	Chi-square value	P-Value
Gender				0.421	0.346
Male	38	21	59
Female	20	8	28
Nuclear Grading				1.130	0.215
High	16	5	21
Low	42	24	66
Tumor Stage				0.629	0.890
I	36	21	57
II	6	3	9
III	9	3	12
IV	6	3	9
Envelope				0.023	0.530
Presence	31	15	46
Absence	27	14	41
Necrotic Areas				0.026	0.528
Presence	39	19	58
Absence	19	10	29

ISSN: 1471-2342