Table 4 Factors surrounding symptom-onset in Chinese AMI-patients
| Â | Percentage (n) | total (n) |
|---|---|---|
Onset of acute myocardial infarction | ||
 In the acute situation | ||
  Chest pain and radiation | 40.9% (121) | 296 |
  Only chest pain | 46.6% (138) | |
  No chest pain | 12.5% (37) | |
Symptom appraisal at symptom-onset | ||
 Symptom attribution | ||
  Cardiac (> 3) | 61.0% (166) | 272 |
  Non-cardiac (≤3) | 39.0% (106) | |
 Symptom expectation | ||
  As expected (> 3) | 30.3% (87) | 287 |
  Not as expected (≤3) | 69.7% (200) | |
Context variables of symptom-onset | ||
 Transport | ||
  Self-transported (walking/ driving) | 17.3% (51) | 294 |
  Driven by others (private/ public) | 59.9% (176) | |
  Via ambulance | 22.8% (67) | |