Table 1 Pathological characteristics of 202 CRC patients

Sex, Male, n (%)

133 (65.80)

Age, Male, M ± SD

62.09 ± 12.30

Smoking, n (%)

 Yes

40 (19.80)

 No

162 (80.20)

Drinking, n (%)

 Yes

52 (25.74)

 No

150 (74.26)

Tumor stage, n (%)

 I

34 (16.80)

 II

75 (37.10)

 III

71 (35.10)

 IV

22 (10.90)

Lymph node metastasis, n (%)

 No

102 (50.50)

 Yes

100 (49.50)

Tumor location, n (%)

 Rectum

117 (57.80)

 Colon

85 (42.10)

Tumor size, n (%)

  < 5

116 (57.40)

  ≥ 5

86 (42.60)

Tumor differentiation, n (%)

 Senior

34 (16.80)

 Middle + 

156 (77.20)

 low

12 (5.90)

Tumor type, n (%)

 Mass

62 (30.70)

 Infiltration

94 (46.50)

 Ulcers

46 (22.80)

Occult blood test, n (%)

 Negative

35 (17.30)

 Positive

167 (82.7)