Table 1 Preoperative basic data analysis

Sex^a (n)

0.242

0.623

 Male

41

42

 Female

29

35

Age^b (years)

59.36 ± 1.34

58.05 ± 1.45

−0.658

0.511

BMI^b (kg/m², mean ± SD)

23.06 ± 0.30

23.71 ± 0.29

1.568

0.119

Neoadjuvant therapy^a (n)

1.901

0.168

 Yes

8

4

 No

62

73

Tumor site^a (n)

1.851

0.174

 Ileocecal region

55

67

 Near the liver area

15

10

Tumor size (cm)^b (n)

5.68 ± 1.08

5.49 ± 0.88

−0.97

0.334

AJCC stage (TNM)^a (n)

1.136

0.567

 Period I

5

8

 Period II

37

44

 Period III

28

25

Preoperative medication^a (n)

1.009

0.604

 Anticoagulants

11

9

 Steroid drugs

2

1

 Other (including none)

57

67

Underlying diseases^a (n)

 Hypertension

17

16

0.259

0.611

 Diabetes

10

7

0.968

0.325

 Heart disease

6

12

1.678

0.195

 Cerebral infarction

7

8

0.006

0.938