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Table 5 – CMR chamber dimensions for military aircrew cohort

From: Cardiac MRI improves cardiovascular risk stratification in hazardous occupations

Diagnosis

Mean Indexed LVEDV (ml/m2)

Mean Indexed LVESV (ml/m2)

LVEF %

Mean LV wall thicknessa (mm)

Mean Mass Index (g/m2)

Prevalence in aircrew populationb

Published prevalence

Normal aircrew populationc

82

29

66

82

65

  

Normal men < 60 years old [9]

82

28

66

74

  

Athletic / Cardiomyopathy

102

40

61

101

82

0.05%

 

Dilated Cardiomyopathy

111

55

51

93

72

0.11%

0.4% [17]

Hypertrophic Cardiomyopathy

75

26

71

103

95

0.013%

0.2% [18]

  1. Mean LV volumes, ejection fraction, wall thickness and mass index for cardiomyopathy diagnoses in comparison to normal scans
  2. aMean wall thickness calculated from mean of anterior, lateral, inferior and septal walls at basal, mid and apical levels
  3. bPopulation at risk (PAR) defined as all aircrew (n = 8000) PAR defined as all aircrew (n ≈ 8000),
  4. cData are taken from the current study cohort found to be normal on CMR
  5. For fully formatted Table [see additional file 5]