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Table 4 Factors surrounding symptom-onset in Chinese AMI-patients

From: The MEDEA FAR-EAST Study: Conceptual framework, methods and first findings of a multicenter cross-sectional observational study

  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)