| EGA (wks) | 23–24 | 25–26 | 27–29 | All |
|---|---|---|---|---|
| BPD, n (%) | 61 (95) | 98 (82) | 168 (60) | 327 (70) |
| BPD after correction, n (%) | 47 (73) | 52 (43) | 52 (18) | 151 (32) |
| BPD or death, n (%) | 87 (97) | 111 (84) | 194 (64) | 392 (74) |
| BPD or death after correction, n (%) | 73 (81) | 65 (49) | 78 (26) | 216 (41) |
| Decrease in BPD rate* | 23% | 47% | 69% | 54% |
*P<0.02.