Spectral computed tomography parameters of primary tumors and lymph nodes for predicting tumor deposits in colorectal cancer

Table 1 Clinical and pathological characteristics of the tumor deposits+ group and tumor deposits- group, n (%)

Characteristics		TDs+ group, n = 33	TDs- group, n = 88	Total, n = 121	P value
Gender	Male	17 (51.5)	47 (53.4)	64 (52.9)	0.853
	Female	16 (48.5)	41 (46.6)	57 (47.1)
Age (years)		63.9 ± 11.6	65.2 ± 11.4	64.8 ± 11.4	0.602
CEA	Normal	11 (37.9)	55 (63.2)	66 (56.9)	0.018
	Elevated	18 (62.1)	32 (36.8)	50 (43.1)
CA19-9	Normal	18 (62.1)	65 (80.2)	83 (75.5)	0.052
	Elevated	11 (37.9)	16 (19.8)	27 (24.5)
Tumor location	Right colon	8 (24.2)	23 (26.1)	31 (25.6)	0.920
	Left colon	14 (42.4)	39 (44.3)	53 (43.8)
	Rectum	11 (33.3)	26 (29.5)	37 (30.6)
Differentiation degree	Low	7 (21.2)	10 (11.4)	17 (14)	0.127
	Moderate	25 (75.8)	72 (81.8)	97 (80.2)
	High	1 (3)	6 (6.8)	7 (5.8)
Lymph node metastasis	Negative	13 (39.4)	63 (71.6)	76 (62.8)	0.003
	Positive	20 (60.6)	25 (28.4)	45 (37.2)
T stage	T1/T2	3 (9.1)	18 (20.5)	21 (17.4)	0.142
	T3/T4	30 (90.9)	70 (79.5)	100 (82.6)
N stage	N0	0 (0)	61 (69.3)	61 (50.4)	< 0.001
	N1	27 (81.8)	23 (26.1)	50 (41.3)
	N2	6 (18.2)	4 (4.5)	10 (8.3)

Five patients' carcinoembryonic antigen (CEA) results were missing; eleven patients' cancer antigen (CA)19-9 results were missing. The normal range for CA19-9 is 0-30 U/mL, and the normal range for CEA is 0-5 ng/mL. TDs: Tumor deposits; CEA: Carcinoembryonic antigen; CA: Cancer antigen.