Table 1.

Correlation between clinicopathological factors and neuroendocrine differentiation

Clinicopathological factors	Number	NED		Univariate analysis	Multivariate analysis
		+	−		P value	OR
Age				0.382
<65 years	243	31	212
≥65 years	151	24	127
Gender				0.844
Male	234	32	202
Female	160	23	137
Tumor Location				0.400
Colon	223	34	189
Rectum	171	21	150
Differentiation				0.841
Good	354	49	305
Poor	40	6	34
Lymph nodes retrieved				0.044*	0.079
<12	125	11	114
≥12	269	44	225
T stage				0.074*	0.230
T1+T2	51	3	48
T3+T4	343	52	291
N stage				0.020*	0.022*	2.091
N0	164	15	149
N1+N2	230	40	190
M stage				0.928
M0	377	52	325
M1	17	3	14

^*Indicated statistical significance (P<0.05)