Characteristics of the participants
| Characteristics | Total sample (n=110) |
| Age (years) | 62.2±5.7 |
| Gender | |
| Male | 28 (25.5%) |
| Female | 82 (74.5%) |
| BMI* | 24.68±3.68 |
| WOMAC pain score, mean (SD) | 169.70 (124.37) |
| SF-12v2 (PCS), mean (SD) | 39.22 (9.50) |
| SF-12v2 (MCS), mean (SD) | 48.79 (9.29) |
| Duration of knee pain* | 8.76±6.70 |
| Kellgren and Lawrence Grading† | |
| Grade 1 | 17 (16.5%) |
| Grade 2 | 42 (40.8%) |
| Grade 3 | 36 (35%) |
| Grade 4 | 8 (7.7%) |
*Missing six sets of data.
†Missing seven sets of data.
BMI, Body Mass Index; MCS, mental component scores; PCS, physical component score; SF-12, Short form of Health Survey-12; WOMAC, Western Ontario McMaster University Osteoarthritis Index.