| Characteristics | Number (12) | Percentage (%) |
| Age group (years) |
|
|
| <5 | 7 | 58.3 |
| >5 | 5 | 41.7 |
| Gender |
|
|
| Male | 8 | 66.7 |
| Female | 4 | 33.3 |
| Regular follow up |
|
|
| Yes | 3 | 25 |
| No | 9 | 75 |
| On antibiotics prophylaxis |
|
|
| Yes | 0 | 0 |
| No | 12 | 100 |