Table 3: Comparison of the reductions in the Numeric Pain Rating Scale scores from baseline to two weeks post- treatment. The results are expressed as the numbers of patients exhibiting each pain- score reduction and the sums of the reduction scores.
| Subgroups | Pain score reduction from baseline | | Sum score |
| -1 | 0 | 1 | 2 | 3 | 4 | 7 |
| Number of | 2 Treatments | 1 | 1 | 0 | 0 | 1 | 3 | 0 | 14 |
| Treatments | 4 Treatments | 0 | 2 | 1 | 2 | 0 | 0 | 1 | 12 |
| Treatment | 7 Days | 1 | 2 | 0 | 1 | 1 | 1 | 1 | 16 |
| Intervals | 14 Days | 1 | 1 | 1 | 1 | 0 | 2 | 0 | 10 |
| Two treatments | /14 days interval | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 7 |
| Two treatments | /7 days interval | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 7 |
| Four treatments | /14 days interval | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3 |
| Four treatments | / 7 days interval | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 9 |
| | 1 | 3 | 1 | 2 | 1 | 3 | 1 | 26 |