Computational and Mathematical Methods in Medicine / 2013 / Article / Fig 1

Research Article

Novel Application of a Multiscale Entropy Index as a Sensitive Tool for Detecting Subtle Vascular Abnormalities in the Aged and Diabetic

Figure 1

Representative arterial pulse signals from the 4 different groups, showing variations in the dilatation index (DIAmp). Group 1: healthy young individuals; group 2: healthy middle-aged or elderly individuals; group 3: well-controlled diabetic individuals; group 4: poorly controlled diabetic individuals.
(a) A subject in group 1,
(b) A subject in group 2,
(c) A subject in group 3,
(d) A subject in group 4,

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