| Stadium | Number N (21) | % |
| retinopathy Stage I hypertensive | 4 | 19.05% |
| retinopathy Stage II hypertensive | 8 | 38.10% |
| retinopathy Stage III hypertensive | 4 | 19.05% |
| retinopathy Stage IV hypertensive | 3 | 14.29% |