Table 4 Characteristics and postoperative complications incidence of the propensity matched data in left-side colon or rectum subgroup

Number

124

124

Age

60.81 ± 12.00

60.04 ± 11.25

0.605

Gender (male/female)

77/47

66/58

0.157

BMI

22.95 ± 3.35

23.42 ± 3.40

0.268

Approach (open/lap)

6/118

12/112

0.142

Surgical time (min)

189.67 ± 63.71

199.86 ± 60.77

0.200

ASA (1/2/3/4)

68/48/8

69/37/18

0.071

Stage (1/2/3/4)

22/47/34/21

19/48/38/19

0.907

Neoadjuvant chemotherapy

4

6

0.749

Albumin

40.07 ± 3.88

40.99 ± 5.29

0.12

Postoperative LOS (day)

9.79 ± 4.68

9.89 ± 6.21

0.881

Expenses (kRMB)

54.25 ± 14.25

67.67 ± 34.68

< 0.05

Anastomotic fistula

2

5

0.446

SSIs

13 (100%)

31 (100%)

0.004

 Superficial

7 (53.8%)

17 (54.9%)

0.032

 Deep

1 (7.7%)

5 (16.1%)

0.213

 Space

5 (38.5%)

9 (29.0%)

0.271

Ileus

8

6

0.582

Urinary infection

2

1

1

CDI

5

3

0.722

Pulmonary infection

3

2

1

Readmission

3

1

0.622