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Table 1 Diastolic aortic size and stiffness aortic parameters measured in baseline and ten-year follow-up

From: Aortic size, distensibility, and pulse wave velocity changes with aging: longitudinal analysis from Multi-Ethnic Study of Atherosclerosis (MESA)

Women (N= 131)

Baseline

Ten-year follow up

Paired test p-value

Diastolic aortic size (cm2)

7.2±1.5

8.1±1.7

< 0.001

Ascending aorta Strain (%)

7.8±3.9

7.2±3.7

0.081

Ascending aorta Distensibility (mmhg-1)

1.5±0.9

1.4±0.9

.177

Aortic arch Pulse wave velocity (m/s)

7.2±2.9

8.3±4.1

< 0.001

Men (N=95 )

Baseline

Ten-year follow up

Paired test p-value

Diastolic aortic size (cm2)

8.6±1.7

10.1±2.0

< 0.001

Ascending aorta Strain (%)

7.4±4.1

6.6±3.6

0.086

Ascending aorta Distensibility (mmhg-1)

1.6±1.0

1.4±1.0

0.191

Aortic arch Pulse wave velocity (m/s)

7.2±3.0

8.2±3.5

0.011

GLOBAL (N=226)

Baseline

Ten-year follow up

Paired test p-value

Diastolic aortic size (cm2)

7.8±1.7

8.9±2.1

< 0.001

Ascending aorta Strain (%)

7.6±4.0

7.0±3.6

0.014

Ascending aorta Distensibility (mmhg-1)

1.5±1.0

1.4±0.9

0.059

Aortic arch Pulse wave velocity (m/s)

7.2±2.9

8.3±3.9

< 0.001