From: Head-Eye movement control tests in patients with chronic neck pain; Inter-observer reliability and discriminative validity
Group
Patients
Controls
Total
Number
23
19
42
Female/Male
23 / 0
12 / 7
35 / 7
Age: mean / min.-max.
50.7 / 29–70 years
50.9 / 31–70 years
NDI mean / min.-max.
32.2 / 10-62
3.3 / 0-8
Neck Trauma yes / no
17 / 6
2 / 17