Table 1.

Comparison of clinicopathological characteristics in non-mucinous and mucinous adenocarcinoma

Characteristics		NMA	MA	P-value
		(n = 2,673)	(n = 144)
Gender				0.772
	Female	1,072	56
	Male	1,601	88
Age, years				0.271
	< 65	1,183	57
	≧ 65	1,490	87
Location				0.090
	Colon	1,516	92
	Rectum	1,157	57
Size, cm				< 0.001
	< 5	1,715	59
	≥ 5	958	85
Preoperative serum CEA, ng/ml				< 0.001
	<5.0	1,858	80
	≧5.0	815	64
Depth of invasiona				< 0.001
	T1, T2	979	13
	T3, T4	1,694	131
Lymph node metastasisa				0.002
	N0	1,602	68
	N1, N2	1,071	76
Distant metastasisa				0.010
	M0	2,319	114
	M1	354	30
Number of metastatic sites				0.019
	0	2,319	114
	1	269	25
	≧ 2	86	5

^aStaging of tumor (T), nodes (N), and metastases (M) [24]; NMA, non-mucinous adenocarcinoma; MA, mucinous adenocarcinoma.