Table 1.
Group comparison of VAS pain scores (added across 7 days) (mm)
| Groups (G) | VAS (n) | Min. | Max. | Median | Mean | SD | χ 2 | p* | U** | p* |
|---|---|---|---|---|---|---|---|---|---|---|
| Traditional (G1) | 10 | 37.0 | 142.0 | 68.50 | 74.60 | 35.21 | 6.0 (G1–G2) | 0.001* | ||
| Traditional + PRF (G2) | 10 | 6.0 | 59.5 | 20.50 | 25.00 | 18.99 | 18.563 | 0.001 | 3.0 (G1–G3) | 0.0001* |
| Piezo + PRF (G3) | 10 | 0.0 | 43.50 | 28.5 | 24.45 | 14.95 | 46.0 (G1–G4) | 0.762 | ||
| Traditional (G4) | 10 | 12.0 | 149.5 | 66.75 | 48.51 | 44.15 | 46.5 (G2–G3) | 0.791 | ||
| 15.0 (G2–G4) | 0.008* | |||||||||
| 18.5 (G3–G4) | 0.017* |
Abbreviations: VAS visual analog scale, Min minimum, Max maximum, SD standart deviation, χ 2 Kruskal Wallis test result; *p ≤ 0.05, significance **Mann–Whitney U-test (Bonferroni-correction) results between groups