Table 1.

Demographic Characteristic of the patients

Age
Mean (SD)	52.2 (14.2)
Median (Min:Max)	(24:84)
Gender, N (%)
Male	17 (21.2%)
Female	63 (78.8%)
Education, N (%)
Below High school degree	53 (65.5%)
High school and up	27 (34.5%)
Diagnosis	Primary knee osteoarthritis