Mesentery morphological features on computed tomography for preoperative prediction of tumor invasion and lymph node metastasis in colon cancer

Table 1 Patient characteristics in the training and validation cohorts, n (%)

	Training cohort (n = 232)	Validation cohort (n = 116)	P value
Age (years)	65 (18)	67 (15)	0.255
Gender			0.402
Male	131 (56.5)	60 (51.7)
Female	101 (43.5)	56 (48.3)
Height (cm)	163.00 (13.0)	162.00 (14.0)	0.553
Weight (kg)	60.00 (14.40)	58.75 (16.78)	0.116
Body mass index (kg/m2)	22.84 (4.18)	22.24 (3.37)	0.185
Carbohydrate antigen 19-9 (U/mL)	11.59 (13.29)	12.44 (20.23)	0.206
Carcinoembryonic antigen (ng/mL)	3.32 (6.61)	4.08 (9.81)	0.074
Total cholesterol (mmol/L)	4.72 (1.28)	4.62 (1.45)	0.747
Triglyceride (mmol/L)	1.16 (0.61)	1.25 (0.58)	0.257
High-density lipoprotein cholesterol (mmol/L)	1.02 (0.34)	1.10 (0.29)	0.075
Low-density lipoprotein cholesterol (mmol/L)	3.07 (1.00)	2.99 (1.26)	0.651
Glycosylated hemoglobin	5.80 (0.70)	5.70 (0.70)	0.237
Periumbilical area	547.5 (157.4)	535.00 (153.53)	0.72
Periumbilical computed tomography (HU)	-110.33 (8.33)	-111.67 (7.67)	0.755
Diabetes mellitus			1.0
Yes	40 (17.2)	20 (17.2)
No	192 (82.8)	96 (82.8)
Dyslipidemia			1.0
Yes	173 (77.2)	84 (77.1)
No	51 (22.8)	25 (22.9)
Primary site			0.29
Cecum-ascending colon	68 (29.3)	43 (37.1)
Transverse colon	30 (12.9)	14 (12.1)
Descending colon	34 (14.7)	10 (8.6)
Sigmoid colon	100 (43.1)	49 (42.2)
Pathology			0.196
Adenocarcinoma	219 (94.4)	108 (93.1)
Mucinous adenocarcinoma	12 (5.2)	5 (4.3)
Signet ring cell carcinoma	1 (0.4)	3 (2.6)
T stage			0.326
T1	13 (5.6)	4 (3.4)
T2	29 (12.5)	9 (7.8)
T3	167 (72.0)	87 (75.0)
T4	23 (9.9)	16 (13.8)
N stage			0.33
N0	131 (56.5)	57 (49.1)
N1	69 (29.7)	37 (31.9)
N2	32 (13.8)	22 (19.0)
Mesentery location			0.703
Mesenteric	164 (70.7)	79 (68.7)
Antimesenteric	68 (29.3)	36 (31.3)
Lymph node metastasis report			0.819
Yes	129 (55.6)	66 (56.9)
No	103 (44.4)	50 (43.1)