Parameter | n = 25 | ||||
Before | After | difference | SD | P value | |
FH-U6 (mm) | 31.63 | 32.21 | 0.58 | 2.97 | 0.061 |
S vertical-U6 (mm) | 45.48 | 46.33 | 0.85 | 4.48 | 0.574 |