Table 3 Meta analysis of clinical outcomes between LATG and RATG

Surgical outcomes

Operative time (min)*

9

706

1158

78

< 0.05

30.96 [21.24, 40.69]

< 0.01

Intraoperative blood loss (ml)*

8

670

1093

15

> 0.05

−17.69 [−20.90,−14.49]

< 0.01

Oncological outcomes

Retrieved lymph nodes*

8

655

1100

50

= 0.05

2.65 [0.88, 4.42]

< 0.01

Proximal margin

3

161

197

0

> 0.05

-0.08 [-0.54, 0.38]

0.74

Postoperative recovery

Time to start liquid (days)*

4

361

755

86

< 0.05

−0.62 [−1.06,−0.19]

< 0.01

Postoperative hospital stays (days)*

7

634

1035

0

> 0.05

−0.90 [−1.43,−0.37]

< 0.01

Postoperative complications

Overall complications

7

570

1000

0

> 0.05

0.92 [0.70, 1.22]

0.58

Major complications*

8

607

1043

18

> 0.05

0.59 [0.38, 0.93]

0.02

Pancreas fistula*

8

632

1084

0

> 0.05

0.17 [0.03, 0.94]

0.04

Wound problem

7

570

1000

0

> 0.05

1.05 [0.53, 2.11]

0.89

Intra-abdominal abscess

6

434

655

0

> 0.05

0.43 [0.13, 1.41]

0.16

Anastomotic leakage

9

706

1158

0

> 0.05

0.82 [0.43, 1.56]

0.54

Intestinal obstruction

9

706

1158

0

> 0.05

0.92 [0.48, 1.75]

0.79

Intra-abdominal bleeding

6

535

929

0

> 0.05

0.67 [0.26, 1.76]

0.42

Operative mortality

7

571

994

0

> 0.05

3.24 [0.33, 31.57]

0.31

Unplanned reoperation

6

497

920

0

> 0.05

1.05 [0.40, 2.74]

0.92