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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.