| preoperative | Intraoperative after release of FR | Follow up after 6 weeks | F | p | % of improvement |
DML | 8.89 ± 0.93 | 6.24 ± 1.06 | 4.18 ± 0.44 | 92.91 | <0.001 | 52.98% |
DSL | 4.67 ± 0.75 | 4.66 ± 0.76 | 4.01 ± 0.80 | 86.21 | <0.001 | 14.13% |
SCV | 15.34 ± 3.39 | 15.35 ± 3.39 | 35.63 ± 4.04 | 80.32 | <0.001 | 132.27% |