tokens: Although diastolic blood pressure remained unchanged , systolic blood pressure increased from 119 to 135 mm Hg ( SED + / - 3 . 4 , p less than 0 . 01 ) , associated with an increased cardiac output ( 5 . 85 - 7 . 73 l / min , SED + / - 0 . 46 , p less than 0 . 01 ) .