Visual analogous scale | Solution A (levobupivacaine 6 mg) | Solution B (levobupivacaine 10 mg) |
0 - 1 | 15 (68.2%) | 32 (94.1%) |
2 - 4 | 4 (18.2%) | 2 (5.9%) |
5 - 6 | 13 (13.6%) | 0 (0%) |