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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".