Table 1.
Time of assessment | p-value | Roughness score (m ± SD) | p-value | Spot score (m ± SD) |
---|---|---|---|---|
Baseline | 37.66 ± 11.27 | 33.58 ± 20.09 | ||
P = 0.0001 | P = 0.009 | |||
Final treatment | 31.46 ± 7.29 | 26.76 ±15.44 | ||
P = 0.045 | P = 0.024 | |||
1m after final treatment | 29.04 ±6.98 | 22.41 ±13.58 | ||
P = 0.063 | P = 0.006 | |||
2m after final treatment | 27.26 ±6.67 | 16.71 ± 9.56 |