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Graphs showing arteriovenous ratio (AVR) versus the arteriolar area as an index of blood pressure. A, Correlations between (left) systolic blood pressure (SBP; R = –0.27, n = 102, and P < 0.01) or (right) diastolic blood pressure (DBP; R = –0.25, n = 102, and P < 0.05) and AVR. B, Correlations between (left) SBP (R = –0.31, n = 102, and P < 0.01) or (right) DBP (R = –0.26, n = 102, and P < 0.01) and the total arteriolar area.
