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Table 1 Baseline demographics, medical histories, and prior cardiac medications by race

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

Mean age (years)

67 ± 13

70 ± 11

<0.0001

Age

  

<0.0001

   < 50

9%

3%

 

   50–59

27%

18%

 

   60–64

9%

11%

 

   65–69

8%

11%

 

   70–79

26%

32%

 

   80–89

18%

22%

 

   90+

2%

2%

 

Men

99%

98%

0.08

Body mass index

27.0 ± 6.0

28.0 ± 6.0

<0.0001

Miles from home to hospital

22 ± 88

41 ± 116

<0.0001

Geographic region of medical center

  

<0.0001

   Northeast

16%

15%

 

   South

52%

43%

 

   Midwest

21%

21%

 

   West

11%

20%

 

Medical histories

   

   Myocardial infarction

25%

28%

0.14

   Lipid disorder

55%

64%

<0.0001

   Coronary angioplasty

12%

14%

0.14

   Coronary artery bypass surgery

10%

24%

<0.0001

   Congestive heart failure

33%

31%

0.43

   Diabetes mellitus

28%

23%

0.004

   Renal disease

18%

13%

<0.0001

   Cerebrovascular disease

9%

8%

0.46

   Chronic obstructive pulmonary disease

13%

23%

<0.0001

   Dementia

19%

15%

0.016

   Cancer

10%

10%

0.81

   Cigarette smoking in past year

41%

31%

<0.0001

Previous medications

   

   Aspirin

48%

49%

0.52

   Beta blockers

51%

54%

0.13

   Angiotensin converting enzyme inhibitors

50%

47%

0.24

   Lipid lowering agents

48%

53%

0.031

   Insulin

13%

14%

0.61

   Platelet inhibitors

11%

12%

0.20

  1. AMI Acute myocardial infarction