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Bivariate linear correlations between BP and MCAv spectral powers. Group data are pooled (affected hemisphere in patients [n = 15] and controls [n = 15]). Results of multiple regression analysis with additional predictors are reported in text. R2 values are coefficients of determination. Data has been log-transformed and plotted on linear axes. BP, blood pressure; MCAv, middle cerebral artery flow velocity; VLF, very low-frequency; LF, low-frequency; HF, high-frequency.
