Table 3.

Clinical features and analysis of colorectal carcinoma samples

Clinical feature	Total (33)	Cluster 1 (16)	Cluster 2 (15)	P (statistic)
Stage
II	19	11	8	0.296 (Fisher’s two-tailed)
III	14	5	9
Location
Ascending colon	6	3	3	1.000 (Fisher’s two-tailed)
Descending colon	27	13	14
Sex
Male	21	10	11	1.000 (Fisher’s two-tailed)
Female	12	6	6
Age
Average (y)	64.55	67.50	61.76	0.118 (unpaired t test)
SD		10.01	10.46
Size
cm	4.66	4.56	4.77	0.728 (unpaired t test)
SD		1.60	1.64
Differentiation
Moderate	26	10	16	0.039 (Fisher’s two-tailed)
Poor	7	6	1
Level of invasion
Serosal	17	12	5	0.015 (Fisher’s two-tailed)
Pericolic	16	4	12