| Age 50 years or younger | Age 51 or older | ||
---|---|---|---|---|
 | Male | Female | Male | Female |
Chest pain | 20.1 | 10.2 | 13.1 | 9.8 |
Arrhythmia | 46.2 | 11.1 | 24.5 | 18.9 |
Atypical symptoms (e.g., musculoskeletal pain, shortness of breath) | 16.7 | 12.5 | 8.2 | 7.3 |
Referred to emergency department due to abnormal findings | 7.1 | 0.0 | 6.3 | 5.9 |
All | 21.2 | 10.3 | 13.3 | 9.9 |