. Author manuscript; available in PMC: 2012 Aug 1.

Published in final edited form as: Ann Surg Oncol. 2011 Feb 5;18(8):2338–2347. doi: 10.1245/s10434-011-1573-y

TABLE 1.

Characteristics of the subjects

	Methylation profiling group (n=22)	Validation group (n=35)	Expression array group (n=65)
Age (years)^a	63 (42–77)	58 (43–77)	59 (41–77)
Sex
Male	16	23	41
Female	6	12	24
Location
Right colon	7	10	7
Left colon	9	18	19
Rectum	6	7	39
Stage
I	6	3	0
II	9	21	42
III	7	9	23
IV	0	2	0

Median (range)