Number (%) of infants in each group no longer requiring supplemental oxygen at 7 and 28 days after delivery and at 36 weeks postmenstrual age
| Early | Delayed | % difference | 95% CI | p Value | |
| 7 days | 2/23 (9%) | 7/20 (35%) | 26 | 2, 50 | 0.03 |
| 28 days | 4/22 (18%) | 8/20 (40%) | 22 | −5, 49 | 0.12 |
| 36 weeks | 11/21 (52%) | 13/19 (68%) | 16 | −14, 46 | 0.30 |