Figure 3 | Hypertension Research

Figure 3

From: Calibration mode influences central blood pressure differences between SphygmoCor and two newer devices, the Arteriograph and Omron HEM-9000

Figure 3

A box-plot comparison of central and peripheral augmentation index (AIx) values measured by Arteriograph (dark gray), SphygmoCor (white) and Omron HEM-9000 (light gray), all calculated by a unified formula (P2–P1/PP). Whiskers are ranges; heavy horizontal line represents the median and box borders are 25th and 75th percentiles.

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