Table 1. Demographic and clinical characteristics of the study population.

	Intervention group (n=20)			Control group (n=20)			p
	n	%	Mean±SD	n	%	Mean±SD
Age (year)			57.6±8.7			55.5±9.6	0.42
Body mass index (kg/m2)			32.0±4.1			31.3±4.4	0.53
Duration of symptoms (month)			3.4±1.3			2.9±1.3	0.20
Gender							0.45
Female	14	70		17	85
Male	6	30		3	15
Marital status							0,69
Married	15	75		17	85
Not-married	5	25		3	15
Occupation							0,14
Housewife	9	45		14	70
Retired	5	25		1	5
Worker	6	30		5	25
Affected side							1
Right	10	50		10	50
Left	10	50		10	50
Grade							0,34
2	10	50		13	65
3	10	50		7	35
SD: Standard deviation; p value <0.05 significant.