Abstract
A previously published power law fitting method for studying whole blood viscosity has been fully computerized to improve its reliability. To a large number of viscometric values for normal and pathological blood obtained by this system, multiple regression analysis was applied, relating the blood viscosity data to the main viscosity determinants, i.e., hematocrit (Hct) and plasma viscosity (ηp). The results confirm and quantify the relative importance of these two main determinants of whole blood viscosity and aggregability. Furthermore, it is possible to standardize data for these variables, to obtain indexes of “cellular component” of blood viscosity.
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