Table I. Clinical characteristics for the 74 CRC patients included in the study. AJCC: American Joint Committee on Cancer (13).

Characteristics	Subjects, n (%)
Gender
Female	36 (49)
Male	38 (51)
Age group
40–49	3 (4)
50–59	10 (14)
60–69	17 (23)
70–79	24 (32)
80–89	19 (26)
90–99	1 (1)
Cancer stage
AJCC classification
I	8 (11)
II	30 (40)
III	16 (22)
IV	15 (20)
Not specified	5 (7)