Provided is a frequency transfer characteristic blood vessel index value computation device, comprising: a pulse wave acquisition unit (100) which acquires first pulse wave data of a pulse wave of a first site, and second pulse wave data of a pulse wave of a second site a pulse wave frequency characteristic derivation unit (203) which derives, from the first pulse wave data, a first frequency characteristic which is a frequency characteristic of the first pulse wave, and, from the second pulse wave data, a second frequency characteristic which is a frequency characteristic of the second pulse wave a frequency transfer characteristic computation unit (206) which computes a frequency transfer characteristic of a system which receives the first pulse wave as input and outputs the second pulse wave a frequency transfer characteristic correction unit (207) which corrects the frequency transfer characteristic by weighting the frequency gain characteristic of the frequency transfer characteristic on the basis of the frequency amplitude characteristic of the first frequency characteristic a response computation unit (208) which, employing the corrected frequency transfer characteristic, computes a response of the system with respect to a reference input and an index value computation unit (209) which computes an index value on the basis of the computed response.La présente invention concerne un dispositif de calcul de valeur-indice de vaisseaux sanguins à caractéristique de transfert de fréquence comportant: une unité dacquisition donde de pression (100) qui acquiert des données dune première onde de pression dune onde de pression dun premier site, et des données dune seconde onde de pression dune onde de pression dun second site une unité de dérivation de caractéristique de fréquence donde de pression (203) qui calcule, à partir des données de première onde de pression, une première caractéristique de fréquence de la première onde de pression, et, à partir des données de s
