Solution A (levobupivacaine 6 mg)

Solution B (levobupivacaine 10 mg)

X2

p

NNT

Hypotension

14 (63.6%)

27 (79.4%)

1.69

>0.1

No apply

Bradycardia

8 (36.4%)

10 (29.4%)

0.29

>0.1

No apply

Tachycardia

8 (36.4%)

14 (41.2%)

0.13

>0.1

No apply

Nauseas and vomiting

6 (27.3%)

14 (41.2%)

1.12

>0.1

No apply

Upper blockage

1 (4.5%)

3 (8.8%)

0.37

>0.1

No apply

Need of vasopressors

13 (59.1%)

27 (79.4%)

2.70

0.1

No apply

Need of additional doses through the epidural catheter

7 (31.8%)

3 (8.8%)

4.81ø

0.05

3