Table 3.

Difference in scores between patients with neck pain and healthy controls.

	Patients (n = 36) (Mean ± SD)	Healthy subjects (n = 33) (Mean ± SD)	p-Value for group difference
Examiner A – first assessment
NHP	4.58 ± 0.59	2.97 ± 0.87	<0.001
THP into flexion	4.80 ± 0.61	3.01 ± 0.86	<0.001
THP into extension	4.93 ± 0.86	3.91 ± 0.77	<0.001
THP into SB right	1.24 ± 1.01	1.61 ± 0.82	0.104
THP into SB left	1.24 ± 1.01	1.64 ± 0.78	0.073
THP into rotation right	4.80 ± 0.61	3.03 ± 0.84	<0.001
THP into rotation left	4.54 ± 1.27	2.47 ± 1.30	<0.001
Examiner B – first assessment
NHP	4.56 ± 0.69	3.29 ± 0.66	<0.001
THP into flexion	4.56 ± 0.69	3.26 ± 0.68	<0.001
THP into extension	5.02 ± 0.67	4.09 ± 0.58	<0.001
THP into SB right	1.76 ± 1.04	1.66 ± 0.77	0.674
THP into SB left	1.76 ± 1.04	1.70 ± 0.72	0.802
THP into rotation right	4.56 ± 0.69	3.13 ± 0.76	<0.001
THP into rotation left	4.48 ± 1.00	2.52 ± 1.40	<0.001
Examiner A – second assessment
NHP	4.56 ± 0.69	3.21 ± 0.72	<0.001
THP into flexion	4.56 ± 0.69	3.19 ± 0.70	<0.001
THP into extension	5.01 ± 0.69	3.87 ± 0.76	<0.001
THP into SB right	1.76 ± 1.04	1.59 ± 0.82	0.458
THP into SB left	1.76 ± 1.04	1.63 ± 0.77	0.569
THP into rotation right	4.56 ± 0.69	3.22 ± 0.65	<0.001
THP into rotation left	4.56 ± 0.69	2.96 ± 0.63	<0.001
Examiner B – second assessment
NHP	4.58 ± 0.59	3.13 ± 0.92	<0.001
THP into flexion	4.80 ± 0.61	3.07 ± 0.92	<0.001
THP into extension	5.12 ± 0.62	4.04 ± 0.75	<0.001
THP into SB right	1.33 ± 0.97	1.72 ± 0.72	0.069
THP into SB left	1.33 ± 0.97	1.79 ± 0.65	0.027
THP into rotation right	4.80 ± 0.61	3.07 ± 0.92	<0.001
THP into rotation left	4.80 ± 0.61	3.07 ± 0.92	<0.001

NHP, neutral head position; THP, target head position; SB, side bending; p values are based on 2-sample independent t-tests.