Table 1 Characteristics and incidence of postoperative complications for OA + MBP and MBP groups

Number

255

326

Age

59.78 ± 12.11

59.22 ± 12.16

0.583

Gender (male/female)

145/110

199/127

0.309

BMI

22.40 ± 3.59

22.93 ± 3.40

0.066

Approach (open/lap)

46/209

25/301

< 0.05

Surgical time (min)

199.59 ± 70.50

205.55 ± 60.46

0.274

ASA (1/2/3/4)

145/93/17/0

178/107/41/0

0.053

Stage (1/2/3/4)

34/101/67/53

45/135/108/38

0.019

Neoadjuvant chemotherapy

7

46

< 0.05

Colon/rectum

240/15

237/89

< 0.05

Albumin

39.13 ± 4.28

40.33 ± 5.49

0.04

Postoperative LOS (day)

10.10 ± 5.19

9.20 ± 5.01

0.03

Expenses (kRMB)

56.74 ± 16.60

66.73 ± 25.66

< 0.05

Anastomotic fistula

3

10

0.126

SSIs

27 (100%)

54 (100%)

0.03

 Superficial

12 (44.4%)

26 (48.1%)

0.114

 Deep

3 (11.1%)

9 (16.7%)

0.182

 Space

12 (44.4%)

19 (35.2%)

0.55

Ileus

16

10

0.06

Urinary infection

3

1

0.324

CDI

8

10

0.962

Pulmonary infection

17

11

0.066

Post-hemorrhage

1

1

1

DVT

0

2

0.507

Readmission

6

11

0.621