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Table 4 Changes in secondary outcomes; cervical ROM and posture parameters

From: Does improvement towards a normal cervical sagittal configuration aid in the management of cervical myofascial pain syndrome: a 1- year randomized controlled trial

Cervical angle (CV)
  Experimental group Control group Mean difference (95% CI) P value effect size (Cohen’s d) Effect size r
Baseline 44. 8 ± 3.5 45 ± 3.2 [−1.5 .94] .6   
After 10 weeks 54.8 ± 2.5 45 ± 3.3 [8.8 10.9] < 0.001 5.2 .9
1-year follow up 54.2 ± 2.7 44.5 ± 3.1 [8.7 10.8] < 0.001 5.7 .9
G < 0.001  
T < 0.001
G*T < 0.001
Shoulder angle
 Baseline 48.2 ± 2.1 48.3 ± 1.7 [−.77 .6] .8   
 After 10 weeks 57.7 ± 2.9 48.06 ± 1.6 [8.7 10.4] < 0.001 4.1 .9
 1-year follow up 56.9 ± 3.1 48.3 ± 1.4 [7.71 9.4] < 0.001 3.7 .9
G < 0.001  
T < 0.001
G*T < 0.001
Flexion
 Baseline 42.3 ± 2 41.9 ± 2.1 [−.31 1.2] .2   
 After 10 weeks 46.7 ± 1.5 43.3 ± 1.7 [2.8 4.1] < 0.001 2.5 .7
 1-year follow up 46.3 ± 1.4 42.9 ± 2.3 [2.7 4.1] < 0.001 1.7 .7
G < 0.001  
T < 0.001
G*T < 0.001
Extension
 Baseline 68.1 ± 1.2 67.6 ± 2.5 [−.14 1.3] .1   
 After 10 weeks 75.2 ± 1.8 68.2 ± 2.4 [6.3 7.8] < 0.001 3.2 .9
 1-year follow up 74.4 ± 1.7 67.6 ± 1.9 [6.2 7.3] < 0.001 3.8 .9
G < 0.001  
T < 0.001
G*T < 0.001
Right rotation
 Baseline 72.3 ± 2.4 73.7 ± 2.6 [−2.3 -.4] < 0.001   
 After 10 weeks 79.7 ± 1.4 74.8 ± 2.3 [4.2 5.5] < 0.001 2.6 .8
 1-year follow up 78.8 ± .9 74.8 ± 2.1 [3.4 4.6] < 0.001 2.5 .8
G < 0.001  
T < 0.001
G*T < 0.001
Left rotation
 Baseline 72.3 ± 2.4 74.3 ± 2.8 [−2.94-1.05] < 0.001   
 After 10 weeks 79.6 ± 1.4 74.8 ± 2.3 [4.21 5.4] < 0.001 2.6 .8
 1-year follow up 78.8 ± .9 74.8 ± 2.1 [3.4 4.6] < 0.001 2.5 .8
G < 0.001  
T < 0.001
G*T < 0.001
Right tilt
 Baseline 42.3 ± 2 41.9 ± 2.1 [−.31 1.18] .2   
 After 10 weeks 46.7 ± 1.5 43.3 ± 1.7 [2.8 4.05] < 0.001 2.5 .7
 1-year follow up 46.3 ± 1.4 42.9 ± 2.3 [2.724 4.1] < 0.001 1.7 .7
G < 0.001  
T < 0.001
G*T < 0.001
Left Right tilt
 Baseline 42.5 ± 2.1 42.2 ± 2.1 [−.42 1.12] .3   
 After 10 weeks 46.7 ± 1.6 43.45 ± 1.8 [2.6 3.9] < 0.001 2.5 .7
 1-year follow up 46.4 ± 1.4 43.15 ± 2.3 [2.5 3.9] < 0.001 1.7 .7
G < 0.001  
T < 0.001
G*T < 0.001
  1. G: group T: time G vs T: group versus time