| Classes of Hypertension | Numbers | Relative Frequency (%) |
| Grade 1 or Mild Hypertension | 21 | 26.6 |
| Grade 2 or Moderate Hypertension | 46 | 58.2 |
| Grade 3 or Severe Hypertension | 12 | 15.2 |
| Total | 79 | 100.0 |