Table 4 Comparison of VF-QOL questionnaire scores in the experimental and control groups at 1 month and 6 months postoperatively

1 month postoperatively

VF

90.91 (84.85, 93.94)

90.91 (87.88, 93.94)

3.332

0.001

QOL

100.00 (97.22, 100.00)

100.00 (100.00, 100.00)

2.761

0.006

6 months postoperatively

VF

87.88 (81.82, 93.94)

90.91 (84.85, 93.94)

5.175

< 0.001

QOL

97.22 (94.44, 100.00)

97.22 (97.22, 100.00)

3.233

0.001