Table I.
Patient characteristics.
| Variable | Osteoarthritis | Normal |
|---|---|---|
| Number of patients | 36 | 10 |
| Age range (years) | 54–85 | 54–63 |
| Mean age (years) | 67.4 | 58.9 |
| Sex | ||
| Male | 11 | 4 |
| Female | 25 | 6 |
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