| Group | VAS.4 hr. | VAS.8 hr. | VAS.12 hr. | VAS.16 hr. | VAS.20 hr. | VAS.24 hr. | P value for within groups, time effect | |
| A (inhalation sevofluran) | Median | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | <0.001* |
| Range | 0 - 6 | 0 - 6 | 0 - 6 | 0 - 5 | 0 - 5 | 0 - 6 | ||
| Mean | 1.62 | 1.08 | 1.17 | 1.00 | 0.63 | 0.63 | ||
| B (intravenous propofol) | Median | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.00 | <0.001* |
| Range | 0 - 5 | 0 - 5 | 0 - 4 | 0 - 4 | 0 - 4 | 0 - 2 | ||
| Mean | 1.29 | 1.08 | 1.00 | 0.92 | 0.75 | 0.42 | ||
| P value between groups |
| 0.295 | 0.809 | 0.991 | 0.812 | 0.317 | 0.769 |
|