Table 3
Number of cases and “severe” cases by survival status, laterality, and presence or absence of other eye or non-eye malformations
| All cases | % | Confirmed “severe” cases | % | |
|---|---|---|---|---|
| Total | 449 | 100 | 221 | 100 |
| Survival status: | ||||
| Surviving 1997 | 311 | 69 | 165 | 75 |
| Liveborn, died | 69 | 15 | 36 | 16 |
| Liveborn, survival unknown | 22 | 5 | 2 | 1 |
| Stillbirth | 19 | 4 | 9 | 4 |
| Termination of pregnancy | 22 | 5 | 8 | 4 |
| Unknown | 6 | 1 | 1 | 0 |
| Laterality: | ||||
| Unilateral | 237 | 53 | 109 | 49 |
| Bilateral | 158 | 35 | 112 | 51 |
| Unknown | 54 | 12 | 0 | 0 |
| Other eye malformations: | ||||
| Present | 281 | 63 | 142 | 64 |
| Absent | 65 | 14 | 55 | 25 |
| Unknown | 103 | 23 | 24 | 11 |
| Non-eye malformations: | ||||
| Present | 249 | 55 | 143 | 65 |
| Absent | 110 | 24 | 78 | 35 |
| Unknown | 90 | 20 | 0 | 0 |
