Table 2.

Baseline clinical characteristics of the patients.

	NOR,n(%)	OR,n(%)	P value
Total	43	33
Sex
male	20 (46.5)	20 (60.6)	0.323
female	23 (53.5)	13 (39.4)
Tumor site
left	11 (25.6)	12 (36.4)	0.597
rectum	17 (39.5)	11 (33.3)
right	15 (34.9)	10 (30.3)
Tumor size (mean (SD))	4.28 (2.55)	3.50 (2.15)	0.165
CEA
normal	4 (9.3)	5 (15.2)	0.671
high	39 (90.7)	(84.8)
AFP
normal	41 (95.3)	31 (93.9)	1
high	2 (4.7)	2 (6.1)
Age
≤55	11 (25.6)	11 (33.3)	0.629
>55	32 (74.4)	22 (66.7)

P values were derived from Fisher’s exact test.