Table 2. Pre- and post-treatment clinical measurements (intra- and inter-group analysis).

	Intervention group			Control group			p
	Mean±SD	Median	Min-Max	Mean±SD	Median	Min-Max
VAS (pre-)	7.3±1.0	7	6-9	7.3±1.1	7	6-9	0.98*
VAS (post-)	4.1±1.3	4	2-6	6.4±1.4	6	4-8	<0.001**
VAS (pre-post difference)	3.2±0.8	3	2-4	1.0±0.8	1	0-3	<0.001§
p value		<0.001†			0.001‡
ESS (pre-)	10.2±2.0	9,5	7-14	10.1±1.9	10	7-13	0.87*
ESS (post-)	6.7±2.0	6,5	3-11	9.2±1.7	8,5	7-12	<0.001**
ESS (pre-post difference)	3.5±0.8	3,5	2-5	0.9±0.8	1	0-2	<0.001§
p value		<0.001†			0.001‡
PQSI (pre-)	9.5±1.8	9	7-13	9.5±2.1	9	7-14	0.83*
PQSI (post-)	5.1±1.2	5	4-8	7.8±2.4	7	4-13	<0.001**
PQSI (pre-post difference)	4.5±1	4	3-6	1.7±1.1	2	0-4	<0.001§
p value		<0.001†			0.001‡
BDI (pre-)	10.3±3.0	9,5	6-16	9.2±3.3	8,5	4-15	0.26*
BDI (post-)	6.8±2.2	6,5	4-11	8.4±2.9	7,5	4-14	0.07**
BDI (pre-post difference)	3.5±1.6	3	2-8	0.8±0.8	1	0-2	<0.001§
p value		<0.001†			0.003‡
WOMAC (pre-)	71.4±14.1	70,83	40.62-98.95	72.8±11.3	74,48	41.66-87.5	0.60*
WOMAC (post-)	40.1±14.3	42,16	16.66-64.58	64.9±12.5	65,1	39.58-82.29	<0.001**
WOMAC (pre-post difference)	31.3±12.0	32,77	6.25-47.92	7.8±6.6	6,25	0-25	<0.001§
p value		<0.001†			0.001‡
SD: Standard deviation; Min: Minimum; Max: Maximum; VAS: Visual analog scale; ESS: Epworth Sleep Scale; PSQI: Pittsburgh Sleep Quality Index; BDI: Beck Depression Inventory; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index; p value <0.05 significant; * Pre-treatment comparison between the groups; ** Post¬treatment comparison between groups; † Pre-treatment and post-treatment comparison within the treatment group; ‡ Pre-treatment and post-treatment comparison within the control group; § Intergroup comparison of the improvement (pre-post scores).