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Screenshot of Adobe PDF CAVI-to-CAVI0 conversion tool with a completed CAVI-to-CAVI0 conversion (Supplemental digital content 1). The user enters CAVI and SBP and DBP values (Ps and Pd) in the light boxes, after which the form automatically determines the appropriate scale coefficients (a and b), determines unscaled CAVIs, and converts those to CAVI0s. CAVI, cardio-ankle vascular index; CAVI0, cardio-ankle vascular index zero [3]; Pref, reference pressure [3].
