Signs of inflammation and osteophytes as assessed by ultrasound in IPJ of patients with EOAa and non-EOA
| EOA patients (n=28)b | Non-EOA patients (n=27)b | p Value | |
|---|---|---|---|
| PDS | |||
| Summated score | 3.0 (0–9) | 1.0 (0–3) | <0.001 |
| No. of joints affected | 2.0 (0–5) | 1.0 (0–3) | <0.001 |
| Synovial thickening | |||
| Summated score | 2.5 (0–19) | 0 (0–14) | 0.05 |
| No. of joints affected | 1.5 (0–10) | 0 (0–8) | 0.09 |
| Effusion | |||
| Summated score | 9.0 (0–16) | 4.0 (0–17) | 0.02 |
| No. of joints affected | 7.0 (0–12) | 3.0 (0–10) | 0.007 |
| Osteophytes | |||
| Summated score | 41.5 (20–49) | 37.0 (9–47) | 0.009 |
| No. of joints affected | 18.0 (9–18) | 17.0 (9–18) | 0.45 |
aEOA, defined as at least one IPJ with erosion.
bDepicted are median (range), comparison analysis by Mann–Whitney U test.
EOA, erosive hand osteoarthritis; IPJ, interphalangeal joint; PDS, power Doppler signal.