Table 2 Baseline clinicopathological characteristics of patients with CRC

Gender

 Male

124 (57.1%)

36 (66.7%)

 Female

93 (42.9%)

18 (33.3%)

Age (years)

 ≥ 60

94 (43.3%)

43 (79.6%)

 < 60

123 (56.7%)

11 (20.4%)

BMI

 ≥ 24

58 (26.7%)

10 (18.5%)

 < 18.5

20 (9.2%)

7 (13.0%)

 18.5–23.9

139 (64.1%)

37 (68.5%)

Smoking

 No

127 (58.5%)

32 (59.3%)

 Yes

90 (41.5%)

22 (40.7%)

Drinking

 No

142 (65.4%)

34 (63.0%)

 Yes

75 (34.6%)

20 (37%)

Family history of cancer

 No

208 (95.9%)

51 (94.4%)

 Yes

9 (4.1%)

3 (5.6%)

Tumor stage

 I

51 (23.5%)

5 (9.3%)

 II

89 (41.0%)

22 (40.7%)

 III

77 (35.5%)

27 (50.0%)

Tumor site

 Colon

90 (41.5%)

21 (38.9%)

 Rectum

121 (55.8%)

29 (53.7%)

 Others^a

6 (2.8%)

4 (7.4%)

Adjuvant therapy

 No

73 (33.6%)

19 (35.2%)

 Yes

144 (66.4)

35 (64.8%)

SIRI

 < 1.1

136 (62.7%)

25 (46.3%)

 ≥ 1.1

81 (37.3%)

29 (53.7%)

CEA (ng/l)

 < 4.1

114 (52.5%)

25 (46.3%)

 4.1–13.0

68 (31.3%)

14 (25.9%)

 ≥ 13.0

35 (16.1%)

15 (27.8%)

C-SIRI

 0

84 (38.7%)

17 (31.5%)

 1

68 (31.3%)

10 (18.5%)

 2

44 (20.3%)

18 (33.3%)

 3

21 (9.7%)

9 (16.7%)