Correlation of SF-6D with SLE measures/patient characteristics (correlations are Spearman unless specified).
| Expected Correlation | Observed Correlation R | |
|---|---|---|
| LupusQol | ||
| Physical | Positive | 0.794 |
| Pain | Positive | 0.797 |
| Fatigue | Positive | 0.763 |
| Planning | Positive | 0.752 |
| Emotion | Positive | 0.751 |
| Burden | Positive | 0.666 |
| Intima | Positive | 0.417 |
| Body image | Positive | 0.344 |
| Disease damage/activity | ||
| SLEDAI score | Negative | −0.063 |
| SDI score | Negative | −0.227 |
| Patient characteristics | ||
| Age* | Negative | −0.187 |
| Disease duration | Negative | −0.068 |
| Time in education | Positive | 0.079 |
| Intima-media thickness | Negative | −0.082 |
↵* Pearson correlation. SLE: systemic lupus erythematosus; SLEDAI: SLE Disease Activity Index; SDI: Systemic Lupus International Collaborating Clinics Damage Index.