Table 3. .
Median, range values and results of Mann–Whitney U test for comparisons between DAS28 score in rheumatoid patients with and without signs of osteoarthritic changes
| Osteoarthritic changes | Positive OA | Negative OA | r-value | P-value |
|---|---|---|---|---|
| Median (Range) DAS28 | Median (Range) DAS28 | |||
| Erosion in condylar head | 5.8 (3.3–7.6) | 5.7 (2.8–6.9) | 0.09999 | 0.643 |
| Erosion in fossa | 5.6 (3.3–5.9) | 5.9 (2.8–7.6) | 0.09999 | 0.322 |
| Flattening in condylar head | 5.8 (3.3–7.6) | 4.8 (2.8–5.9) | 0.4769a | 0.038a |
| Flattening in fossa | 5.8 (3.3–7.6) | 4.8 (2.8–5.9) | 0.4769a | 0.038a |
| Osteophytes | 5.7 (3.3–7.6) | 5.8 (2.8–6.9) | −0.2271 | 0.663 |
| Subchondral cyst | 5.7 (3.3–7.6) | 5.8 (2.8–6.9) | 0.1062 | 0.663 |
DAS28, disease activity score 28; OA, osteoarthritis.
a
Significant at p ≤ 0.05