Table 1.

Classification of Hypertension

	Systolic Blood Pressure (mm Hg)	Diastolic Blood Pressure (mm Hg)
Normal	Below 120	and below 80
Pre-hypertension	120–139	or 80–89
Stage 1 hypertension	140–159	or 90–99
Stage 2 hypertension	160 or higher	100 or higher

Data from Chobanian AV, Bakris GL, Black HR, et al. JAMA 2003;289(19):2560–2572.¹