Table 2 Results of the comparison between groups

Sex, male^a

7 (31.8)

14 (50)

0.19

Age (years)^b

39 [33–54]

40 [23–48]

0.86

BMI (kg/m²)^b

38.6 [35.8–59.8]

35.9 [30.5–42.4]

0.30

Lidocaine total (mg)^b

317.5 [272–381]

100 [80–100]

 < 0.0001

Fentanyl^b

450 [437.5–500]

500 [450–500]

0.09

Pain^b

 Immediate

2 [0–3]

2 [2–4]

0.06

 1 h post-surgery

3 [1–4]

2 [0–2]

0.04

 24 h post-surgery

2 [1–3]

2 [1–3]

0.65

 Nauseas^a,b

4 (18.1)

15 (53.6)

0.01