Preliminary results, methodological considerations and recruitment difficulties of a randomised clinical trial comparing two treatment regimens for patients with headache and neck pain

Table 3 Differences in primary outcome measures

Variable	Treatment Group	Follow-up week 7	Follow-up week 12	Follow-up week 26
Responders/Non responders (GPE)	UC	6/12	6/12	7/6
	UCMT	5/9	5/9	6/8
	Diff Proportion	3%	3%	11%
HIT-6 score (points)	UC	60.10 ± 5.55*	58.50 ± 4.62*	56.80 ± 6.46*
mean ± SD	UCMT	57.93 ± 4.58*	56.00 ± 6.95*	55.21 ± 9.75*
	Mean Diff	2.17	2.50	3.54
	CI	-2.12; 6.46	-2.74; 7.74	-5.76; 8.94

GPE: Global Perceived Effect; HIT-6: Headache Impact Test, 6 items (scores can range from 36-78 points), CI: Confidence interval; Diff: Difference between groups; UC: Usual Care; UCMT: Usual care plus Manual Therapy.
*: significant within group difference compared to value at baseline (Repeated Measures ANOVA, sign. level: p < .05)

ISSN: 1471-2474