Table 2 Comparison of short-term outcomes between the PG-TEA and TG-RY groups

Operation time(min,x ± s)

188 ± 18

235 ± 22

12.142

0.010

Blood loss(mL,x ± s)

35 ± 15

40 ± 13

2.014

0.046

Lymph node number(x ± s)

21 ± 3

30 ± 4

0/171

0.001

First exhaust time(days)

3.4 ± 0.9

3.5 ± 0.9

0.383

0.703

First fluid taken time(days)

3.6 ± 0.7

3.6 ± 0.7

-0.032

0.975

First defecation time(days)

4.1 ± 0.8

4.2 ± 0.8

0.067

0.946

Gastric tube removal time(days)

2.6 ± 0.7

2.4 ± 0.6

-1.404

0.163

Drainage tube removal time(days)

7.0 ± 1.1

6.9 ± 1.2

-0.343

0.732

Anastomotic fistula

0.058

0.809

 Yes

2

3

 No

42

77

Anastomotic ulcer

2.536

0.149

 Yes

8

7

 No

35

73

Anastomotic stenosis

2.789

0.182

 Yes

4

2

 No

39

78

Anastomosis reinforcement

3.086

0.079

 No

10

9

 Yes

33

71

Clavien‒Dindo degree

4.025

0.232

 I

6

18

 II

26

52

 IIIA

9

8

 IIIB

2

2

Postoperative hospitalization days(days)

12.3 ± 2.0

11.9 ± 1.8

-1.289

0.200

Postoperative adjuvant therapy

3.419

0.078

 Yes

35

74

 No

8

6