Chiropractic spinal manipulative therapy for cervicogenic headache: a single-blinded, placebo, randomized controlled trial

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Published online 2017 Jul 24. doi: 10.1186/s13104-017-2651-4

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Table 1

Baseline demographic and clinical characteristics

	Chiropractic spinal manipulative therapy	Sham manipulation (placebo)	Control group
Number of participants	4	4	4
Males	1	1	2
Females	3	3	2
Age ± SD (range)	36.0 ± 12.8 (26–54)	49.8 ± 12.3 (32–58)	48.0 ± 9.8 (39–61)
Duration (years with headache ± SD)	7.3 ± 3.3	8.5 ± 1.3	13.8 ± 10.4
Headache frequency (mean 30 days/month)	20.5 ± 9.9	25.5 ± 5.2	19.3 ± 7.9
Headache duration (mean hours/day)	19.5 ± 3.8	19.5 ± 7.7	19.3 ± 5.1
Headache intensity (mean 0–10 VAS)	6.0 ± 2.3	6.0 ± 0.7	7.0 ± 2.0
Co-morbid migraine	0/4	2/4	0/4
Primary end-point (1 month baseline)
Headache frequency (mean 30 days/month)	20.0 ± 12.0	22.8 ± 12.3	19.0 ± 8.4
Secondary end-points (1 month baseline)
Headache duration (mean hours/day)	9.6 ± 5.2	10.9 ± 3.3	9.9 ± 6.9
Headache intensity (mean 0–10 VAS)	6.6 ± 2.5	4.3 ± 1.7	6.3 ± 1.6
Headache index (HI) (mean frequency × duration × intensity)	956 95% CI 438 to 1475	1141 95% CI 283 to 1999	1635 95% CI −37 to 3307