An Optimization Study of Estimating Blood Pressure Models Based on Pulse Arrival Time for Continuous Monitoring

Figure 5

Box plots of dispersion degree comparison during different estimation methods in (a), (b) and (c) (d). Box and whisker plots: box, first and third quartiles; horizontal line, median; whiskers, the furthest point that lies no more than 1.5 times the interquartile range from the median. Note: each point represented an independent subject (estimated error). The dotted blue line represented the median value for dMK-BH (the strongest correlation, see Table 3). “††” indicated the BP estimation model with the strongest correlation.

(a)

(b)

(c)

(d)