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Voxel-wise group comparison of cerebral blood flow (CBF) after removal of effects of hematocrit level, age, and sex. Contrast shown demonstrates regions where CBF in patients with chronic kidney disease (CKD) is greater than that in control subjects. There were no regions where control subjects showed greater CBF than patients with CKD. Color bar indicates t scores. x, y, z = coordinates in Montreal Neurological Institute (MNI) space.
