Table 3:
Characteristics of all autoimmune systemic inflammation disease patients (SLE, RA, and psoriasis) by myocardial flow reserve tertile.
| MFR < 1.65 (n=66) | 1.65 ≤ MFR ≤ 2.19 (n=66) | MFR > 2.19 (n=66) | p-value | |
|---|---|---|---|---|
| RA | 33 (50%) | 30 (45.5%) | 30 (47%) | |
| Age at PET, mean (SD) (years) | 67.2 (12.2) | 67.1 (11.7) | 60.6 (11.5) | 0.002 |
| Female | 55 (83.3%) | 54 (81.8%) | 49 (74.2%) | 0.38 |
| Obesity | 25 (37.9%) | 27 (40.9%) | 27 (40.9%) | 0.92 |
| Hypertension | 57 (86.4%) | 50 (75.8%) | 42 (63.6%) | 0.01 |
| Dyslipidemia | 44 (66.7%) | 38 (57.6%) | 30 (45.5%) | 0.05 |
| Diabetes | 26 (39.4%) | 20 (30.3%) | 14 (21.2%) | 0.08 |
| Previously known CAD | 9 (13.6%) | 6 (9.1%) | 9 (13.6%) | 0.65 |
| Any tobacco use | 3 (4.6%) | 2 (3%) | 4 (6%) | 0.71 |
| Family History of CAD | 21 (31.8%) | 25 (37.8%) | 10 (15.2%) | 0.01 |
SLE=systemic lupus erythematosus, RA=rheumatoid arthritis, CAD = coronary artery disease. MBF = myocardial blood flow. MFR = myocardial flow reserve. PET = positron emission tomography. SD = standard deviation.