Outcome | Group A (n = 35) | Group B (n = 18) | Group C (n = 17) | P |
---|---|---|---|---|

Any PDA at 72 hours, n (%) | 3 (8.6) | 3 (16.7) | 14 (82.4) | <.001 |

Any PDA at 7 days, n (%) | 0 | 0 | 8 (47.1) | <.001 |

Hs-PDA at 72 hours (among those with a PDA), n/N (%) | 2/3 (66.7) | 1/3 (33.3) | 9/14 (64.3) | .6 |

Hs-PDA at 7 days (among those with a PDA), n (%) | 0 | 0 | 6/8 (75) | <.001 |

Medical treatment received for PDA, n (%) | 1 (2.9) | 2 (11.1) | 15 (88.2) | <.001 |