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Scatterplot of random-zero phygmomanometer and oscillometric device (Omron HEM-907XL; Omron Healthcare Inc., Lake Forest, IL), systolic blood pressure (left panel) and diastolic blood pressure (right panel).
RZS=random-zero sphygmomanometer; OD=oscillometric device; mm Hg=millimeter of mercury.
The dashed line represents the line of unity (i.e., a y-intercept of 0 and a slope of 1) while the solid line represents the LOWESS line.
