Interaction between EULAR response and CRP at 3 and 6 months in the logistic regression model, FCGR2A (low affinity vs high affinity).
| Variable | OR (95% CI) | p |
|---|---|---|
| EULAR response at 3 mo | ||
| None | 1 | |
| Moderate + good | 1.418 (0.196–10.279) | 0.730 |
| CRP at 3 mo | ||
| ≤ 1 | 1 | |
| > 1 | 0.699 (0.060–8.202) | 0.775 |
| Interaction: EULAR response with CRP (Month 3) | ||
| 0 | 1 | |
| 1 | 0.196 (0.007–5.168) | 0.329 |
| EULAR response at 6 mo | ||
| None | 1 | |
| Moderate + good | 0.138 (0.024–0.800) | 0.027 |
| CRP at 6 mo | ||
| ≤ 1 | 1 | |
| > 1 | 0.291 (0.017–4.831) | 0.389 |
| Interaction: EULAR response with CRP (Month 6) | ||
| 0 | 1 | |
| 1 | 13.527 (0.551–331.807) | 0.111 |
Significance: p < 0.05. EULAR: European League Against Rheumatism; CRP: C-reactive protein.