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Table 3 Symptom-derived disability scores before surgery, and one year after surgery.

From: Surgical fasciectomy of the trapezius muscle combined with neurolysis of the Spinal accessory nerve; results and long-term follow-up in 30 consecutive cases of refractory chronic whiplash syndrome

Symptom Before After p
Pain 9.5 ± 0.9 3.2 ± 2.6 < 0.001
Headache 8.2 ± 2.9 2.3 ± 2.8 < 0.001
Insomnia 7.5 ± 2.4 3.8 ± 2.8 < 0.001
Weakness 7.6 ± 2.6 3.6 ± 2.8 < 0.001
Stiffness 7.0 ± 3.2 2.6 ± 2.7 < 0.001
  1. Numerical values represent patients' self-assessments, using a linear Visual Analogue Scale (VAS) graded 0-10 for 0 = "Nothing at all" and 10 = "Completely disabling".