Table 3.

Summary of visual analog scales

VisitPlacebo, n = 36Botulinum toxin type B
5,000 U, n = 3610,000 U, n = 37
Patient Global Assessment of Change (supportive secondary)
4 weeks after injection
Mean ± SD43.6 ± 21.760.6 ± 21.964.6 ± 21.0
p Value0.00100.0001
Principal Investigator Global Assessment of Change
4 weeks after injection
Mean ± SD52.0 ± 17.565.3 ± 18.064.2 ± 16.0
p Value0.00110.0038
Patient Analog Pain Assessment
Baseline
Mean ± SD43.6 ± 25.840.8 ± 25.835.1 ± 24.6
4 weeks after injection
Mean ± SD43.7 ± 27.061.7 ± 26.362.3 ± 25.7
p Value0.00100.0002