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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Hypertension. 2017 Jun 12;70(2):275–284. doi: 10.1161/HYPERTENSIONAHA.116.09004

Figure 1.

Figure 1

Age-adjusted percentage (top panel) and unadjusted number (bottom panel) of United States adults aged ≥ 20 years with normal blood pressure, prehypertension and hypertension by National Health and Nutrition Examination Survey (NHANES) by calendar year.

Normal blood pressure: systolic blood pressure < 120 mmHg and diastolic blood pressure < 80 mmHg without antihypertensive medication use.

Prehypertension: systolic blood pressure 120–139 mmHg with diastolic blood pressure < 90 mmHg or diastolic blood pressure 80–89 mmHg with systolic blood pressure < 140 mmHg without antihypertensive medication use.

Hypertension: systolic blood pressure ≥ 140 mmHg or diastolic blood pressure ≥ 90 mmHg and/or antihypertensive medication use.