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Table 2 Results on the four primary outcomes

From: Effectiveness of chiropractic manipulation versus sham manipulation for recurrent headaches in children aged 7–14 years - a randomised clinical trial

 

Control

Intervention

    

Outcome

N

Mean

N

Mean

Difference in mean (95% CI)

p-value

p-value**

Cohen’s d***

Number of days per week*

97

− 0.41

96

− 0.81

−0.40 (− 0.77; − 0.05)

0.027

0.019

0.32

Intensity (NRS)*

93

−0.53

90

−0.52

0.01 (−0.43; 0.46)

0.958

0.930

0.01

GPE

98

3.24

96

2.63

−0.61 (−0.88; − 0.36)

< 0.001

< 0.001

0.67

Medicine*#

97

−0.03

96

−0.10

−0.07 (− 0.16; 0.03)

0.165

0.279

0.20

  1. N number of children, CI confidence interval, NRS numerical rating scale, GPE global perceived effect (1 = almost gone to 7 = worse than ever)
  2. *change scores from baseline to follow up; **adjusted p-value; ***standardized mean difference between groups; # proportion of weeks with medication use
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Chiropractic & Manual Therapies

ISSN: 2045-709X