|
Rates of major neurodevelopmental impairment* detectable at 1 year adjusted age in Epochs 1 and 2. |
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| Epoch 1 |
Epoch 2 |
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|
|
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| # seen/# survivors (%) |
% impaired (95% CI) |
# seen/# survivors (%) |
% impaired (95% CI) |
|
|
|
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| 23 weeks |
4/4 (100) |
0 (0, 60) |
11/13 (85) |
73 (39, 94) |
| 24 weeks |
22/22 (100) |
41 (21, 64) |
39/43 (91) |
26 (13, 42) |
| 25 weeks |
41/43 (95) |
15 (6, 29) |
36/40 (90) |
6 (1, 19) |
| 26 weeks |
63/68 (93) |
22 (13, 34) |
63/75 (85) |
11 (5, 22) |
| 27 weeks |
57/70 (80) |
16 (7, 28) |
65/80 (81) |
6 (2, 15) |
| 23–27 weeks |
187/207 (90) |
20 (15, 27) |
214/251 (85) |
14 (10, 20) |
|
* Major neurodevelopmental impairment in infants seen in our follow up clinic: cerebral palsy, Bayley Scales of Infant Development Mental Development Index >2 SD below the mean, or blindness | ||||
Washburn et al. BMC Pediatrics 2007 7:20 doi:10.1186/1471-2431-7-20 |
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