Table 1. The Clinical Characteristics of the CRC Patients.

Variables	Number (n = 38)	Percent
Age(years)
<60	16	42.1
≥60	22	57.9
Gender
Male	20	52.6
Female	18	47.4
Maximum tumor size
<5cm	28	73.7
≥5cm	10	26.3
Location
Colon	13	34.2
Rectum	25	65.8
Depth of tumor
T1 and T2	15	39.5
T3 and T4	23	60.5
Tumor stage
I and II	27	71.1
III and IV	11	28.9
Lymph node metastasis
Negative	21	55.3
Positive	17	44.7