Table 1.
Group demographics. The age (mean ± SD), family history of OA, comorbidity, and information on previous joint replacement surgery in the hand OA and control groups are shown.
| Characteristic | OA group Mean ± SD |
Control group Mean ± SD |
P value |
|---|---|---|---|
| Age | 61.0 ± 13.7 | 52.8 ± 5.3 | P = 0.12 |
| Family history of OA | 11/13 | 2/13 | — |
| Knee: 7/13 | |||
| Foot/ankle: 5/13 | |||
| OA involvement in other joints | Spine: 1/13 | — | — |
| Shoulder: 1/13 | |||
| Hip: 1/13 | |||
| Comorbidity | |||
| (1) Hypertension | 2/13 | 2/13 | |
| (2) Hypothyroidism | 0/13 | 2/13 | |
| (3) Breast cancer | 2/13 | 0/13 | — |
| (4) Dyspepsia | 1/13 | 1/13 | |
| (5) Intervertebral disc herniation | 0/13 | 1/13 | |
| Previous surgery | Total hip replacement: 1/13 |
— | — |