Preoperative | Follow-up | Mean improvement in per cent | p Value | |
---|---|---|---|---|
Cervical dystonia scale (Tsui) | ||||
5 days postoperative (n=61) | 10.0 (4.0) | 3.9 (2.1) | 61.0 | <0.0001 |
6 months postoperative (n=55) | 10.4 (3.9) | 4.5 (2.7) | 56.7 | <0.0001 |
Long-term follow-up (n=34) | 9.7 (4.0) | 5.3 (3.3) | 45.3 | <0.0001 |
VAS for pain | ||||
6 months postoperative (n=38) | 6.5 (2.6) | 4.2 (2.6) | 35.3 | <0.0001 |
Long-term follow-up (n=27) | 6.1 (2.5) | 4.0 (2.9) | 34.4 | <0.01 |
Mean values and (SD) of Tsui’s Cervical Dystonia Scale and of a VAS for pain are shown. Wilcoxon signed rank test was used for statistical analysis.
VAS, Visual Analogue Scale