Classification and follow up of blood pressure measurement
| Category | Systolic blood pressure (mm Hg) | Diastolic blood pressure (mm Hg) |
| Normal | <130 | <85 |
| High Normal | 130-139 | 85-90 |
| Hypertension Stage 1 (mild) | 140-159 | 90-99 |
| Stage 2 (moderate) | 160-179 | 100-109 |
| Stage 3 (severe) | >180 | >110 |