Table 1.
Characteristics of patients with knee osteoarthritis (N=100)
| Age, mean (SD) | 53± 11 |
| Sex, no (%) | |
| Male | 20 (20) |
| Female | 80 (80) |
| Education, no (%) | |
| Illiterate | 36 (36) |
| School | 41 (41) |
| Undergraduate | 15 (15) |
| Graduate | 8 (8) |
| Affected side, no. (%) | |
| Right | 24 (24) |
| Left | 33 (33) |
| Bilateral | 43 (43) |
| WOMAC, mean (SD) | 44±18 |
| PCS, mean (SD) | 34±8.5 |
| MCS, mean (SD) | 43±10 |
| SF-MPQ-2, mean (SD) | 4.6±2.0 |
WOMAC=Western Ontario and McMaster Universities Arthritis Index, PCS=Physical Component Summary, MCS=Mental Component Summary, SD=Standard Deviation