VNS-0

VNS-4

VNS-8

VNS-12

Botox Group

9.4 ± 0.7

4.3 ± 0.9

4.4 ± 1.3

5.2 ± 1.3

25-Pro Group

9.3 ± 0.9

4.5 ± 1.2

5.9 ± 1.2

9.0 ± 1.4

33-Pro Group

9.4 ± 0.8

4.3 ± 0.9

4.6 ± 1.3

5.4 ± 1.3

ControlGroup

9.5 ± 0.5

6.4 ± 0.8

9.2 ± 0.7

9.2 ± 0.7