Table 2.
Comparison median (interquartile range) of verbal rating scale score at different time intervals
| Time (min) | Group I (n=38) | Group T (n=39) | Group C (n=37) | P | |||
|---|---|---|---|---|---|---|---|
| I and T* | T and C* | I and C* | I, T and C† | ||||
| 0 min | 1 (2) | 1 (1) | 3 (2) | 0.08 | 0.000 | 0.000 | 0.000 |
| 15 min | 0 (1) | 1 (1) | 3 (0) | 0.000 | 0.000 | 0.000 | 0.000 |
| 30 min | 0 (0) | 0 (1) | 4 (1) | 0.000 | 0.000 | 0.000 | 0.000 |
| 60 min | 0 (1) | 1 (1) | 3 (1) | 0.005 | 0.000 | 0.000 | 0.000 |
| 6 h | 3 (1) | 3 (2) | 4 (2) | 0.002 | 0.038 | 0.015 | 0.007 |
| 12 h | 4 (2) | 4 (2) | 5 (2) | 0.46 | 0.000 | 0.000 | 0.000 |
| 24 h | 4 (1) | 4 (1) | 5 (1) | 0.4 | 0.000 | 0.000 | 0.000 |
*Mann–Whitney U-test; †Kruskal–Wallis test