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Table 5 Differences in scores between patients with neck pain and healthy controls*

From: The intra- and inter-rater reliability of five clinical muscle performance tests in patients with and without neck pain

Examiner A - First assessment

Control (n = 30)

Patient (n = 31)

P-value for group difference†

JPE Rotation, cm

0.40 (0.17)

0.49 (0.31)

0.175

JPE Flexion, cm

0.52 (0.30)

0.66 (0.49)

0.186

JPE Extension, cm

0.58 (0.29)

0.71 (0.50)

0.225

CCFT, mmHg

27.67 (3.2)

24.32 (3.0)

>0.000

Neck flexor muscle endurance (supine), sec

37.20 (19.8)

30.97 (27.0)

0.309

Neck flexor muscle endurance (sitting 45°), sec

122.10 (74.6)

82.77 (86.0)

0.062

Neck extensor test, sec

40.77 (32.7)

33.39 (23.5)

0.314

Examiner B - First assessment

Control (n = 30)

Patient (n = 31)

P-value for group difference†

JPE Rotation, cm

0.36 (0.19)

0.53 (0.28)

0.007

JPE Flexion, cm

0.46 (0.30)

0.50 (0.38)

0.126

JPE Extension, cm

0.44 (0.20)

0.66 (0.46)

0.023

CCFT, mmHg

27.47 (2.6)

23.87 (3.1)

>0.000

Neck flexor muscle endurance (supine), sec

42.70 (21.8)

33.65 (42.5)

0.301

Neck flexor muscle endurance (sitting 45°), sec

95.60 (42.3)

75.00 (68.83)

0.166

Neck extensor test, sec

45.13 (29.4)

31.77 (19.9)

0.042

  1. Cm = centimeters, mmHg = millimeters mercury, sec = seconds, JPE = Joint position error, CCFT = Cranio-Cervical Flexion Test. *Values are the mean ± SD. † P values are based on 2-sample independent t-tests. Bold numbers = P values less than 0.05.