Group Time | Control | Clonidine | Tramadol |
Base | 0 | 0 | 0 |
5 minutes | 0 | 0 | 0 |
15 minutes | 0 | 0 | 6 |
30 minutes | 15 | 6 | 13 |
1 hour | 16 | 8 | 8 |
2 hours | 3 | 6 | 2 |
4 hours | 0 | 0 | 0 |
6 hours | 0 | 0 | 0 |