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Summary of the Population by Age and Sex
| Characteristic | Healthy Subjects | Patients with OA
|
P Value | |
|---|---|---|---|---|
| Mild OA | Severe OA | |||
| No. of patients | 7 | 20 | 28 | NA* |
| Age (y)† | 37.9 ± 4.5 | 62.9 ± 2.6 | 66.7 ± 2.3 | <.001‡ |
| Male sex§ | 4 (57) | 7 (33) | 14 (50) | 0.481‖ |
NA = not applicable.
Data are mean ± standard deviation.
Calculated with analysis of variance.
Data in parentheses are percentages.
Calculated with the Fisher exact test.
