Research Article

Quantitative Assessment of Blood Pressure Measurement Accuracy and Variability from Visual Auscultation Method by Observers without Receiving Medical Training

Figure 4

Mean and SD of SBP and DBP measured by each individual observer using the two measurement methods: traditional manual method (a) and visual auscultation method (b). The reference answers of SBP and DBP provided by the British Hypertension Society are also given.
(a)
(b)