Dsistribution of types of cardiovascular disease in relation to place of residence
| Types | Urban (%) | Rural (%) |
| Valvular heart disease | 34.9 | 44.9 |
| Congenital heart disease | 22.8 | 13.5 |
| Hypertensive heart disease | 16.1 | 12.9 |
| Ischaemic heart disease | 8.5 | 6.8 |
| Cardiomyopathy | 7.4 | 9.1 |
| Pulmonary hypertension (isolated) | 3.5 | 4.0 |
| Miscellaneous | 3.9 | 4.7 |
| Arrhythmia | 1.9 | 2.9 |
| Pericardial diseases | 0.9 | 1.2 |
| Total | 100 | 100 |