AHRQ: A lot more than 59 million Americans diagnosed with high blood circulation pressure in 2008 More than 59 million Us citizens age 18 and older were identified as having high blood pressure in 2008, based on the latest News and Quantities from the Agency for Healthcare Study and Quality. Roughly 15 % of healthful weight adults were identified as having high blood circulation pressure.Methods Study Design We conducted a parallel-group, randomized, controlled trial involving adult medical and surgical sufferers admitted to the ICUs of 42 hospitals: 38 academic tertiary care hospitals and 4 community hospitals. Eligible patients were those likely to require treatment in the ICU on 3 or even more consecutive days . A detailed description of the study was published previously.25 The scholarly study was approved by the ethics committees of the University of Sydney, the University of Uk Columbia, and each participating institution. Written informed consent, acquired before randomization, or delayed consent was attained from each patient or from a legal surrogate.