Table 2.
Symptoms Prior to STEMI and Ventricular Fibrillation
| Cardiac Symptoms Within 1 Year Prior to STEMI, n (%) | Cases (n=219) | Controls (n=441) | P Value |
|---|---|---|---|
| Angina | 105 (49) | 284 (64) | <0.001 |
| Dyspnea | 52 (25) | 123 (28) | 0.400 |
| Palpitations | 15 (7) | 41 (9) | 0.400 |
| Syncope* | 3 (2) | 4 (1) | 0.400 |
| Presyncope* | 2 (1) | 14 (4) | 0.200 |
| Healthcare contact within 1 year prior to STEMI due to cardiac symptoms | 37 (18) | 61 (14) | 0.200 |
STEMI indicates ST‐segment elevation myocardial infarction.
*
Missing value for syncope or presyncope (15%).