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Difference between ejection times measured at two different peripheral locations as a novel marker of vascular stiffness

Fig 3

Relationship between ΔET, PWVΔPAT, and PWVΔDAT.

The relationship between ΔET and PWVΔPAT (A, D, G), between ΔET and PWVΔDAT (B, E, H), between PWVΔDAT and PWVΔPAT (C, F, I) for each pair of locations (Toe-Ear: A, B, C; Toe-Finger: D, E, F; Finger-Ear: G, H, I). Each individual subject has three dots on each graph which indicate mean values derived from the standing (black circle), sitting (gray triangle) and supine (white square) positions. The dashed line indicates the hyperbolic or linear regression line. The regression equation and the coefficient of determination (R2) are presented in each graph. ET: ejection time; PWV: pulse wave velocity; PAT: pulse arrival time; DAT: dicrotic notch arrival time.

Fig 3