Table 2. Clinical characteristics of respondents.
| Variables | Median (IQR) | Respondents n = 214 | Percentage, % |
|---|---|---|---|
| Chronic medical illness | |||
| Yes | 172 | 80.4 | |
| No | 42 | 19.6 | |
| Type of medical illness | |||
| Hypertension | 146 | 68.2 | |
| Diabetes mellitus | 83 | 38.7 | |
| Dyslipidemia | 82 | 38.3 | |
| Coronary heart disease | 7 | 3.2 | |
| Duration of knee OA, years | 3.0 (3.0) | ||
| Use of analgesics# | |||
| Yes | 159 | 74.3 | |
| No | 55 | 25.7 | |
| WOMAC index | |||
| Pain scale | 91.5 (110) | ||
| Stiffness scale | |||
| Yes | 175 | 81.8 | |
| No | 39 | 18.2 | |
| Function scale | 365.5 (479) | ||
| Total score | 505.0 (633) |
#Recent use of analgesics in the past one month. OA: osteoarthritis; IQR: interquartile range; WOMAC: Western Ontario and McMaster Universities Arthritis Index.