Logistic regression model
| Characteristic | OR (95% CI) | P-value |
|---|---|---|
| Model | ||
| Male | 2.2 (1.7–3.9) ) | <0.001 |
| Age at first non-Raynaud symptom | 2.2 (1.7–3.9) | 0.79 |
| Time Raynaud to non-Raynaud >3 months | 0.4 (0.3–0.6) | <0.001 |
| Puffy hands | 1.6 (1.0–2.7) | 0.06 |
| Scleroderma | 2.8 (1.6–4.8) | <0.001 |
| Constant | 0.29 | 0.005 |
Nagelkerke R Square 0.152.