| Stage 1 | 130–139 mm Hg or 80–89 mm Hg |
| Stage 2 | ≥140 mm Hg or ≥90 mm Hg |


[[http://www.onlinejacc.org/content/71/19/e127|2017 HTN Guidelines]]

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[[ https://www.nejm.org/doi/full/10.1056/NEJMoa2111437 | Trial of Intensive Blood-Pressure Control in Older Patients with Hypertension NEJM 2021 ]] In older patients with hypertension, intensive treatment with a systolic blood-pressure target of 110 to less than 130 mm Hg resulted in a lower incidence of cardiovascular events than standard treatment with a target of 130 to less than 150 mm Hg. Side effect rate similar except hypotension