Digital photoplethysmography is a portable and reproducible method for measuring arterial stiffness, with normal ranges influenced by demographic and physiological factors.
Digital photoplethysmography is a portable, operator-independent, reproducible and simple method of measuring arterial stiffness. Ranges of normality of arterial stiffness will depend on the individual's age, race, lipid levels, HR and blood pressure.
Brillante et al. (Tue,) studied this question.