Association between predictors measured in the first year of follow-up and subsequent risk of a hard cardiovascular event*
| HR (95% CI) | P value | |
| Age (per decade) | 1.26 (1.08 to 1.47) | 0.0038 |
| African-American | 1.22 (0.84 to 1.78) | 0.30 |
| Male (vs female) | 1.26 (0.72 to 2.19) | 0.42 |
| Systolic blood pressure (per 10 mm Hg, treated) | 1.29 (1.12 to 1.48) | 0.0003 |
| Systolic blood pressure (per 10 mm Hg, not treated) | 1.27 (1.10 to 1.48) | 0.0015 |
| Cholesterol (per 25 mg/dL increase) | 1.08 (0.99 to 1.16) | 0.074 |
| Current or past smoking | 1.64 (1.13 to 2.38) | 0.0094 |
| Diabetes | 1.70 (1.08 to 2.68) | 0.023 |
| SLEDAI (per unit increase) | 1.08 (1.00 to 1.16) | 0.059 |
| History of lupus anticoagulant | 2.08 (1.44 to 3.02) | 0.0001 |
| Low mean C3 | 1.98 (1.28 to 3.07) | 0.0023 |
*A hard cardiovascular event means a stroke or myocardial infarction.
SLEDAI, SLE Disease Activity Index.