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Table 4 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 = 33)

P-value for group difference†

JPE Rotation, cm

0.48 (0.30)

0.60 (0.31)

0.119

JPE Flexion, cm

0.50 (0.31)

0.66 (0.41)

0.095

JPE Extension, cm

0.56 (0.31)

0.70 (0.47)

0.164

CCFT, mmHg

26.93 (3.1)

24.97 (2.8)

0.011

Neck flexor muscle endurance (supine), sec

38.93 (28.9)

34.09 (37.1)

0.568

Neck flexor muscle endurance (sitting 45°), sec

103.40 (55.3)

63.18 (52.8)

0.004

Neck extensor test, sec

42.43 (24.8)

30.55 (24.4)

0.060

Examiner B - First assessment

Control (n = 30)

Patient (n = 33)

P-value for group difference†

JPE Rotation, cm

0.40 (0.21)

0.58 (0.36)

0.016

JPE Flexion, cm

0.54 (0.34)

0.59 (0.31)

0.615

JPE Extension, cm

0.51 (0.24)

0.55 (0.27)

0.515

CCFT, mmHg

27.07 (3.4)

24.36 (2.7)

0.001

Neck flexor muscle endurance (supine), sec

32.97 (18.8)

29.06 (31.2)

0.554

Neck flexor muscle endurance (sitting 45°), sec

84.67 (55.3)

61.82 (48.8)

0.087

Neck extensor test, sec

39.03 (29.3)

28.48 (15.6)

0.076

  1. Cm = centimeters, mmHg = millimeter 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.