tokens: Evans Blue ( mug g - 1 of brain tissue ) was greater in the 90 / HTN group ( 24 . 4 + / - 6 . 0 ) versus the control group ( 12 . 3 + / - 4 . 1 ) , which was in turn greater than the 15 / HTN group ( 7 . 3 + / - 3 . 2 ) .