Table 2 Evaluation on the efficacy of single and repeated doses of BTX-A

Subjects, n

44

37

TN frequency, n

Before treatment

18.40 ± 24.89

22.85 ± 28.26

After treatment

2.07 ± 3.62

3.19 ± 9.23

Time to take effect, d

8.51 ± 6.37

10.08 ± 6.63

Time to peak efficacy, d

30.86 ± 18.90

25.62 ± 16.25

Efficacy maintenance, mo

4.76 ± 1.73

3.87 ± 1.92