Prevalence of ultrasound (US) features in 55 patients with hand osteoarthritis (HOA)
| US features | HOA patients (n=55) |
|---|---|
| Gray scale synovitis* | |
| Patient (n (%)) | 53 (96.4) |
| Affected joints (median (range)) | 6.0 (0–13) |
| Total score (median (range)) | 8.0 (0–24) |
| Effusion* | |
| Patients (n (%)) | 50 (90.9) |
| Affected joints (median (range)) | 6.0 (0–13) |
| Total score (median (range)) | 7.0 (0–24) |
| Synovial thickening* | |
| Patients (n (%)) | 40 (72.7) |
| Affected joints (median (range)) | 2.0 (0–9) |
| Total score (median (range)) | 2.0 (0–14) |
| Power Doppler signal* | |
| Patients (n (%)) | 47 (85.5) |
| Affected joints (median (range)) | 2.0 (0–8) |
| Total score (median (SD)) | 3.0 (0–11) |
↵* Maximum score per patient for affected joints is 30, and the maximum total score is 90.