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Table 2 Presenting signs and symptoms

From: The use of percutaneous coronary intervention in black and white veterans with acute myocardial infarction

Variable Black (n = 680) White (n = 3529) P-value
Time from symptom onset to hospital admission    
   ≤ 1 hour 5% 6% 0.12
   1–2 hours 9% 10%  
   2–6 hours 20% 24%  
   6–12 hours 13% 13%  
   12–24 hours 17% 13%  
   > 24 hours 36% 34%  
Heart rate 87 ± 25 87 ± 23 0.75
Systolic blood pressure 143 ± 33 138 ± 31 <0.0001
Diastolic blood pressure 80 ± 20 75 ± 19 <0.0001
Symptoms    
   Chest pain 56% 58% 0.39
   Pressure 17% 18% 0.58
   Belching 6% 4% 0.23
   Shoulder pain 21% 30% <0.0001
   Nausea 22% 18% 0.031
   Diaphoresis 14% 17% 0.09
   Dyspnea 45% 43% 0.36