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Table 3 Coronary flow reserve test according to age quartiles

From: The impact of aging and atherosclerotic risk factors on transthoracic coronary flow reserve in subjects with normal coronary angiography

 

Age < 55 years

Age 55–62 years

Age 63–69 years

Age ≥ 70 yrs

p

CFR

3.01 ± 0.69 (2.87-3.16)

2.67 ± 0.54 (2.56-2.79)

2.47 ± 0.54 (2.36-2.59)

2.39 ± 0.49 (2.28-2.49)

<0.0001

CFV at rest (cm/s)

26.3 ± 6.1 (25.0-27.6)

28.7 ± 8.9 (26.8-30.7)

30.8 ± 8.8 (28.8-32.9)

30.2 ± 6.4 (28.6-31.5)

<0.001

CFV after Dip (cm/s)

77.7 ± 18.9 (73.5-82.0)

75.4 ± 22.9 (70.6-80.1)

74.6 ± 21.4 (69.9-79.1)

70.9 ± 18.4 (66.9-74.6)

NS

  1. Data expressed as mean ± SD (95% confidence interval for mean).
  2. CFR = Coronary flow reserve, CFV = Coronary flow velocity.
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Cardiovascular Ultrasound

ISSN: 1476-7120

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