Table 2 Comparison of pre- and post-operative scores in each pain assessment method using the Bonferroni method
| Â | 3Â months | 6Â months | 12Â months | 18Â months | 24Â months |
|---|---|---|---|---|---|
PD | |||||
Preop. | 0.023 | 0.004 | 0.000 | 0.000 | 0.000 |
3Â months | Â | 1.000 | 1.000 | 1.000 | 0.684 |
6Â months | Â | Â | 1.000 | 1.000 | 1.000 |
12Â months | Â | Â | Â | 1.000 | 1.000 |
18Â months | Â | Â | Â | Â | 1.000 |
VAS | |||||
Preop. | 0.230 | 0.570 | 0.013 | 0.002 | 0.000 |
3Â months | Â | 1.000 | 1.000 | 1.000 | 0.074 |
6Â months | Â | Â | 1.000 | 1.000 | 0.024 |
12Â months | Â | Â | Â | 1.000 | 0.861 |
18Â months | Â | Â | Â | Â | 1.000 |
BP | |||||
 Preop. | 0.010 | 0.005 | 0.000 | 0.000 | 0.000 |
3Â months | Â | 1.000 | 1.000 | 1.000 | 0.290 |
6Â months | Â | Â | 1.000 | 1.000 | 0.480 |
12Â months | Â | Â | Â | 1.000 | 1.000 |
18Â months | Â | Â | Â | Â | 1.000 |