Table 2. Distribution of prodromal symptoms and the duration of symptoms by gender.
A P-value of <0.05 was considered statistically significant. Data presented as N (%).
*Based on patients with prodromal symptoms
| Total (N) | Gender | P-value | ||
| Male | Female | |||
| Total (N) | 242 | 174 | 68 | - |
| Prodromal symptoms | 100 (41.3%) | 64 (36.8%) | 36 (52.9%) | 0.022 |
| *Symptom type | ||||
| Chest pain (mild) | 68 (68%) | 47 (73.4%) | 21 (58.3%) | 0.120 |
| Chest heaviness | 44 (44%) | 26 (40.6%) | 18 (50%) | 0.365 |
| Chest burning | 27 (27%) | 16 (25%) | 11 (30.6%) | 0.548 |
| Other types of pain | 11 (11%) | 7 (10.9%) | 4 (11.1%) | 0.979 |
| Palpitation | 42 (42%) | 24 (37.5%) | 18 (50%) | 0.224 |
| Unusual fatigue | 23 (23%) | 14 (21.9%) | 9 (25%) | 0.722 |
| Sleep disturbance | 22 (22%) | 16 (25%) | 6 (16.7%) | 0.334 |
| Shortness of breath | 34 (34%) | 23 (35.9%) | 11 (30.6%) | 0.586 |
| Lightheadedness or dizziness | 10 (10%) | 5 (7.8%) | 5 (13.9%) | 0.331 |
| Anxiety | 23 (23%) | 17 (26.6%) | 6 (16.7%) | 0.259 |
| Sudden heat or flushing or a cold sweat | 23 (23%) | 15 (23.4%) | 8 (22.2%) | 0.890 |
| Sudden back pain that is not related to an injury or exertion | 22 (22%) | 14 (21.9%) | 8 (22.2%) | 0.968 |
| Sudden nausea or vomiting or unexplained indigestion | 24 (24%) | 18 (28.1%) | 6 (16.7%) | 0.198 |
| *Duration of symptom | ||||
| 1 week | 32 (32%) | 19 (29.7%) | 13 (36.1%) | 0.679 |
| 2 weeks | 26 (26%) | 16 (25%) | 10 (27.8%) | |
| 4 weeks | 10 (10%) | 8 (12.5%) | 2 (5.6%) | |
| More than a month | 32 (32%) | 21 (32.8%) | 11 (30.6%) | |