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Clinical characteristics of the osteoarthritis patients and control group.
| Characteristic | OA | Normal |
|---|---|---|
| Age (years) | 57.4 ± 9.5 | 58.7 ± 9.5 |
| Number women/men (n) | 216/204 | 156/156 |
| Body mass index (kg/m2) | 20.1 ± 8.2 | 19.9 ± 8.3 |
| Kellgren-Lawrence grade (n): 1/2/3/4 | 32/186/154/48 | |
| Lequesne's index | 12.2 ± 2.5 |
A total of 420 patients with primary osteoarthritis and 312 control group were included. Values are expressed as mean ± standard deviation or as numbers.
