Table 4.

Summary of mean TWSTRS subscale baseline and week 4 assessments

VisitPlacebo, n = 36Botulinum toxin type B
5,000 U, n = 3610,000 U, n = 37
TWSTRS = Toronto Western Spasmodic Torticollis Rating Scale; NS = not significant.
Baseline
TWSTRS-Severity18.420.220.2
TWSTRS-Disability14.314.414.4
TWSTRS-Pain10.911.812.4
4 Weeks after injection
TWSTRS-Severity16.217.0 (NS)15.4 (p = 0.0016)
TWSTRS-Disability12.711.9 (NS)11.6 (NS)
TWSTRS-Pain10.48.2 (p = 0.0023)8.2 (p = 0.0008)