Table 2. Baseline data with neuroendocrine differentiation.

Factor	Case
	Total	NED	Non-NED	X2	P
All patients	82	15	67
Sex				0.006	0.939
Male	43	8	35
Female	39	7	32
Age				0.006	1.000
<50	17	3	14
>50	65	12	53
Tumor Site				0.221	0.765
Colon	56	11	45
Rectum	26	4	22
Tumor Differentiation				0.111	0.946
High	31	6	25
Moderate	32	6	26
Low	19	3	16
TNM Stage				2.999	0.392
I	6	0	6
II	28	6	22
III	36	6	30
IV	12	3	9
Lymphatic metastasis				0.106	0.899
Positive	48	9	39
Negative	34	6	28
Distant Metastasis				7.16	0.007
Yes	30	10	20
No	52	5	47