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Figure 3 Distribution of LVlDd Indexed to Age, Gender, Body Size, and Race
(A) Histogram of the distribution of indexed left ventricular internal dimensions in diastole (LVIDd), which was derived for each patient by dividing the measured LVIDd and dividing it by the LVIDPredicted from the multivariate linear regression analyses multiplied by 100 among normal subjects and hypertensive subjects with a normal ejection fraction with (HFNEF) and without (HTN) heart failure. (B) The gaussian distributions of indexed LVIDd for the 3 groups (control, HTN, and HFNEF), demonstrating normal distributions with a shift in the HFNEF subjects toward larger volumes. (C) Cumulative distribution of control, HTN, and HFNEF participants by LVIDPredicted, which shows a rightward shift in the curve, indicating that for a majority of the HFNEF cohort, ventricular size is increased a small but significant amount compared with HTN and healthy control subjects.
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