PRISMA inclusion flow diagram
* Reasons for exclusion: Pediatric n=13; Non-essential hypertension (pulmonary hypertension, intracranial hypertension, poral hypertension, radiology findings, renal hypertension, intraabdominal hypertension n=37; Outside of US guidelines n= 6; Pregnancy n= 10) ;4 were not guidelines.
† Unable to locate 3 guidelines; 11 excluded because a more updated guideline existed.