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Secondary analysis: PDA phenotypes and IVH.
| Early echo group (n = 258) | |||||
|---|---|---|---|---|---|
| No PDA (n = 31) | Small shunt volume PDA (n = 83) | Moderate to large shunt volume PDA (n = 83) | Non-PDA physiology (n = 61) | p-value | |
| Any IVH, n (%) | 11 (35.5) | 23 (27.7) | 29 (34.9) | 20 (32.8) | NS |
| Severe IVH, n (%) | 5 (16.1) | 9 (10.8) | 7 (8.4) | 12 (19.7) | NS |
| Death/Severe IVH, n (%) | 7 (22.5) | 11 (13.2) | 8 (9.6) | 19 (31.1) | 0.005 |
