| Solution A (levobupivacaine 6 mg) | Solution B (levobupivacaine 10 mg) | ||
| Interval (minutes) | Average (minutes) | Interval (minutes) | Average (minutes) |
Surgical time | 20 - 63 | 43.5 | 22 - 78 | 45.3 |
Minimal start of the sensitive blockage | 1 - 5 | 2.9 | 1 - 5 | 2.9 |
Maximal star of the sensitive blockage | 4 - 15 | 7.3 | 2 - 10 | 6.8 |