Numbers of abnormal findings
| Screening test | No of children screened | Referred as result of an abnormal finding (for the first time) | % |
| At 9 month | 3619 | 52 | 1.9 |
| At 14 months | 3678 | 54 | 1.5 |
| At 24 months | 3244 | 54 | 1.7 |
| At least once at one of these ages | 3958 | 160 | 4.0 |