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Characteristics, by case-control status
| Case (N = 141) | Control (N = 210) | p-value | |
| Mean age (years) | 35.5 | 36.1 | .31 |
| Black (%) | 44.0 | 34.8 | .12 |
| Current Smokers (%) | 45.4 | 26.7 | <.001 |
| Hypertension (%) | 27.7 | 13.3 | <.01 |
| Diabetes mellitus (%) | 13.5 | 3.3 | <.001 |
| Angina/MI (%) | 14.9 | 4.3 | <.001 |
