Table 1.

Demographic table for healthy controls (controls) and patients with chronic moderate (Neck Disability Index: NDI < 40) or severe (NDI ≥ 40) whiplash associated disorders (WAD)

	Controls	WAD < 40	WAD ≥ 40	Significance
Total number	31	20	11
Female/Male	17/14	10/10	7/4	P = 0.77*
Age Years (range)	41.5 (22—61)	39.2 (20—62)	45.7 (33—58)	p = 0.26**
Duration Months (range)	N/A	20 (7—36)	14,5 (6—32)	p = 0.11***
NDI (mean (range))	N/A	27.3 (10—38)	51.3 (40—68)	p < 0.0001***
VAS (mean (range))	N/A	30.2 (3—70)	53.5 (30—75)	p = 0.005***

VAS Visual analoge scale

^* Chi^2-test used

^** ANOVA

^*** t-test 2-sided