Table 1. Subjects involved in the study.
| Group | Sex | Mean age (y) | Standard deviation (y) |
|---|---|---|---|
| Cardiologists | Males (50%) | 47.3 | 2.5 |
| Cardiologists | Females (50%) | 48.1 | 2.7 |
| Laypeople | Males (50%) | 46.2 | 6.6 |
| Laypeople | Females (50%) | 45.1 | 6.9 |
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