Table 1. Demographic and Clinical Characteristics of Patients With Spontaneous Coronary Artery Dissection vs Controls.
| Characteristic | No. (%) | |
|---|---|---|
| Patients with SCAD (n = 173) | Controls (n = 41)a | |
| Sex | ||
| Women | 167 (96.5) | 40 (97.6) |
| Men | 6 (3.5) | 1 (2.4) |
| Age at diagnosis, mean (SD), y | 44.5 (7.9) | 41.6 (7.4) |
| BMI, mean (SD) | 26.6 (10.6) | 25.9 (6.0) |
| Smoking habit | ||
| Never/former | 124 (71.7) | 26 (63.4) |
| Current | 49 (28.3) | 15 (36.6) |
| Race and ethnicityb | ||
| Black African and/or Caribbean | 2 (1.2) | 1 (2.4) |
| Indian | 5 (2.9) | 2 (4.9) |
| White | 163 (94.2) | 35 (85.4) |
| Other | 2 (1.2) | 3 (7.3) |
| Treated hypertension | 31 (17.9) | 0 |
| Type 2 diabetes | 0 | 0 |
| Treated dyslipidemia | 14 (8.1) | 0 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); SCAD, spontaneous coronary artery dissection.
a
A control cohort was included to allow blinded interpretation of magnetic resonance angiograms by investigators who were blinded to SCAD status.
b
Race and ethnicity were unknown for 3 participants in the SCAD group; other was not specified by the participants.