Table 1 Clinical and demographic characteristics of U.S. veterans with acute cardiac injury ≤30 days after laboratory-confirmed influenza virus infection, October 2010–December 2012 (n = 143)

Sex

 Male

141

99

 Female

2

1

Age group (yrs)

 18–44

1

<1

 45–64

38

27

 65–84

71

50

 ≥85

33

23

Race/ethnicity

 Non-Hispanic white

98

69

 Non-Hispanic black or African American

32

22

 Hispanic or Latino

6

4

 Not reported

7

5

Cardiovascular risk factors^a

 Hyperlipidemia

118

83

 Diabetes

67

47

 Hypertension

128

90

 Any history of tobacco use

94

66

 Body mass index ≥30

49

34

History of cardiovascular disease^a

 Cerebral or peripheral vascular disease

43

30

 Coronary artery disease

57

40

 Atrial fibrillation

30

21

 Congestive heart failure

43

30