Table 3 Summary of subgroup analysis comparing pain scores and complications between SA and GA

 4 h

Laparoscopic

1.52 (0.49, 2.55)

–

89.3%

< 0.01

open

1.69 (−0.66, 4.05)

–

97.6%

0.16

 12 h

Laparoscopic

0.57 (0.35, 0.78)

–

0.0%

< 0.01

open

1.81 (−0.68, 4.29)

–

97.8%

0.15

 Scrotal edema

Laparoscopic

–

0.64 (0.34, 1.21)

0.0%

0.17

open

–

1.26 (0.48, 3.26)

–

0.64

 Seroma

Laparoscopic

–

0.72 (0.36, 1.44)

0.0%

0.35

open

–

1.36 (0.61, 3.02)

0.0%

0.45

 Wound infection

Laparoscopic

–

0.93 (0.40, 2.17)

0.0%

0.87

open

–

1.17 (0.49, 2.76)

0.0%

0.73

 Recurrence

Laparoscopic

–

1.57 (0.44, 5.62)

0.0%

0.49

open

–

1.21 (0.37, 3.99)

20.9%

0.75

 Shoulder pain

Laparoscopic

–

1.02 (0.52, 1.98)

0.0%

0.95

open

–

–

–

–

 Urinary retention

Laparoscopic

–

0.38 (0.15, 0.95)

0.0%

0.04

open

–

0.47 (0.18, 1.22)

71.7%

0.12

 Headache

Laparoscopic

–

0.20 (0.06, 0.68)

0.0%

0.01

open

–

0.48 (0.09, 2.47)

78.7%

0.38

 PONV

Laparoscopic

–

2.15 (0.50, 9.26)

84.1%

0.31

open

–

1.76 (1.10, 2.80)

0.0%

0.02