Fig. 2. Interdevice agreement and proportional bias. (A) A plot showing the CIMT of the WHUS and the standard device. (B) A Bland-Altman plot of the relationship between the average of WHUS and standard device and differences between the two devices. m, mean of differences between the WHUS and standard device; max-CIMT, mean of the maximal values of carotid intima-medial thickness of a patient; WHUS, wireless handheld ultrasound.
