Outcome in later childhood
| Cohort 1 (1984-89) n=24 | Cohort 2 (1990-94) n=40 | Total (1984-94) n=64 | |
|---|---|---|---|
| Major impairments: | |||
| Cerebral palsy | 5 (21%) | 7 (18%) | 12 (19%) |
| Blindness due to ROP | 1 (4%) | 7 (18%) | 8 (13%) |
| Developmental delay, DQ<70 | 3 (13%) | 6 (15%) | 9 (14%) |
| Deafness | 2 (8%) | 1 (3%) | 3 (5%) |
| Epileptic seizures | 1 (4%) | 0 (—) | 1 (2%) |
| Minor impairments: | |||
| Speech delay | 5 (21%) | 6 (15%) | 11 (17%) |
| Myopia | 1 (4%) | 6 (15%) | 7 (11%) |
| Squint | 2 (8%) | 5 (13%) | 7 (11%) |
| Mild visual impairment due to ROP | 2 (8%) | 2 (5%) | 4 (6%) |
| Clumsy, learning difficulties and behavioural disorder | 2 (8%) | 1 (3%) | 3 (5%) |
| Disability: | |||
| Mild | 3 (13%) | 15 (38%) | 18 (28%) |
| Moderate | 5 (21%) | 5 (13%) | 10 (16%) |
| Severe | 1 (4%) | 7 (18%) | 8 (13%) |
| Any | 9 (38%) | 27 (68%)* | 36 (56%) |
Levels of significance * p < 0.05. DQ = Development Quotient.