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Table 1 Ejection Fraction. Obesity may be associated with changes in cardiac structure and function. We found that even among subjects with normal (>60%) ejection fraction, myocardial contraction fraction, a geometry-independent volumetric measure of myocardial performance, is depressed in obese versus lean subjects.

From: 133 Obesity is associated with decreased myocardial contraction fraction despite preserved ejection fraction

EF

Lean Men (n = 131)

Lean Women (LW, n = 313)

Obese Men (OM, n = 86)

Obese Women (OW, n = 203)

mean ± SD

66.5 ± 4.4

69.2 ± 5.1

69.1 ± 5.6

70.4 ± 5.6

T test vs LW

<0.0001

-

-

-

T test vs OM

0.00013

0.50 (NS)

-

-

T test vs OW

<0.0001

0.020

0.083 (NS)

-