Table 1 Classification of blood pressure and hypertension
Category | Systolic blood pressure (mmHg) | Diastolic blood pressure (mmHg) | ||
|---|---|---|---|---|
Normal blood pressurea | < 120 | And | < 80 | |
Elevated blood pressure | 120–129 | And | < 80 | |
Prehypertension | 130–139 | Or | 80–89 | |
Hypertension | Grade 1 | 140–159 | Or | 90–99 |
Grade 2 | ≥160 | Or | ≥100 | |
Isolated systolic hypertension | ≥140 | And | < 90 | |