Table 2. Changes in VAS, RMQ and ODI scores during 4 weeks of treatment

	Mean±SD	95%CI		ANOVA		p-value in Turkey HSD test*
		Lower bound	Upper bound	F-ratio	p-value
VAS
Baseline	6.22±0.92	5.91	6.52	106.60	<0.01
After 1 week	4.89±0.91	4.59	5.19			<0.01
After 2 weeks	3.97±1.01	3.64	4.31			0.03
After 3 weeks	2.73±1.19	2.33	3.13			<0.01
After 4 weeks	1.51±0.99	1.18	1.84			<0.01
RMQ
Baseline	8.81±1.51	8.31	9.31	92.59	<0.01
After 1 week	6.95±1.70	6.38	7.51			0.05
After 2 weeks	5.00±1.81	4.40	5.60			<0.01
After 3 weeks	3.38±1.53	2.87	3.89			<0.01
After 4 weeks	1.92±1.16	1.53	2.31			<0.01
ODI
Baseline	14.65±2.89	13.69	15.61	81.18	<0.01
After 1 week	12.30±2.25	11.55	13.05			<0.01
After 2 weeks	10.16±2.38	9.37	10.95			<0.01
After 3 weeks	7.86±0.23	7.26	8.47			<0.01
After 4 weeks	5.97±2.18	5.25	6.70			<0.01

Significant differences in comparison between each week and the previous consecutive week by Tukey HSD test.
VAS, visual analogue scale; RMQ, roland morris questionnaire; ODI, Oswestry low back pain disability index; IQR, interquartile range; CI, confidence interval.