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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