Table 7

 Grades of hypertension

Blood pressure (BP) categorySystolic BP mm HgDiastolic BP mm HgLifestyle interventionDrug therapy
*Drug therapy may be indicated for people with established cardiovascular disease, chronic renal disease, or diabetes with complications at BP levels > 130/80 mm Hg.
†Drug therapy is recommended for people with established cardiovascular disease or diabetes or evidence of target organ damage or a 10 year cardiovascular risk ⩾ 20%.
Mild hypertension (grade 1)140–15990–99YesConsider†
Moderate hypertension (grade 2)160–179100–109YesYes
Severe hypertension (grade 3)⩾180⩾110YesYes