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Table 2 Changes in symptom-derived disability scores at follow up 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

  Percent change
0% 1 < 30% 30% < 50% 50% <100% 100% n
Pain 2 0 9 13 6 30
Headache 2 1 2 12 10 27
Insomnia 10 2 3 10 4 29
Weakness 4 2 5 11 4 26
Stiffness 1 1 6 12 8 28
  1. Calculations based on patients' assessments (VAS; 0% = no improvement, 100% = complete improvement). Whereas 27 patients reported stiffness as a reason for disability before surgery, the number increased to 28 after the operation. One patient who experienced more stiffness after surgery is represented as "0% improvement".