Binary logistic regression for the outcome of organ damage (SLICC/ACR Damage Index ≥ 1; yes/no) at 5 years.
| Variables | OR (95% CI) | p |
|---|---|---|
| OPN at baseline | 1.01 (1.00–1.02) | 0.061 |
| Age at baseline | 1.03 (1.01–1.05) | 0.006 |
| Female sex | 0.50 (0.22–1.18) | 0.115 |
| White ethnicity | 0.87 (0.72–1.04) | 0.127 |
| Daily glucocorticoid dose at baseline | 0.99 (0.97–1.01) | 0.241 |
| SLEDAI-2K at baseline | 1.07 (1.02–1.13) | 0.013 |
SLICC/ACR: Systemic Lupus International Collaborating Clinics/American College of Rheumatology; OPN: osteopontin; SLEDAI-2K: Systemic Lupus Erythematosus Disease Activity Index 2000.