Table 1. Demographic and clinical characteristics of patients with knee osteoarthritis.
| n | % | Mean±SD | Median | Min-Max | |
| Age (year) | 63.0±9.6 | ||||
| Sex | |||||
| Female | 90 | 84,1 | |||
| Male | 17 | 15,9 | |||
| Body mass index (kg/m2) | 31.4±6.1 | ||||
| Duration of disease (month) | 60 | 1-240 | |||
| Calcium (mmol/L) | 9,60 | 7.70-78.00 | |||
| Vitamin D (ng/mL) | 11,90 | 2.50-67.90 | |||
| Lequesne Index | 12.9±3.6 | ||||
| KOOS-PS | 40,30 | 14.80-62.00 | |||
| Visual Analog Scale-pain | 7,00 | 4.00-10.00 | |||
| Kellgren-Lawrence Grade | |||||
| 1 | 4 | 3,7 | |||
| 2 | 33 | 30,8 | |||
| 3 | 48 | 44,9 | |||
| 4 | 22 | 20,6 | |||
| OARSI-JSN | |||||
| 1 | 22 | 20,6 | |||
| 2 | 52 | 48,6 | |||
| 3 | 33 | 30,8 | |||
| OARSI-osteophytes | |||||
| 1 | 40 | 37,4 | |||
| 2 | 46 | 43,0 | |||
| 3 | 21 | 19,6 | |||
| SD: Standard deviation; Min: Minimum; Max: Maximum; KOOS-PS: Knee Injury and Osteoarthritis Outcome Score-Physical Function Short-Form; OARSI: Osteoarthritis Research Society International Atlas. | |||||