26–28 + 6 weeks | 29–32 + 6 weeks | 33–34 + 6 weeks | Overall | |
---|---|---|---|---|
(N = 378) | (N = 835) | (N = 880) | (N = 2093) | |
Death | 7 (2%) | 4 (< 1%) | 4 (< 1%) | 15 (1%) |
Air leaks | 21 (6%) | 24 (3%) | 20 (2%) | 65 (3%) |
Acquired sepsis | 27 (7%) | 41 (5%) | 25 (3%) | 93 (4%) |
PDA | 42 (11%) | 23 (3%) | 7 (1%) | 72 (3%) |
IVH (all grades) | 57 (15%) | 56 (7%) | 12 (1%) | 125 (6%) |
NEC (all grades) | 11 (3%) | 5 (1%) | 4 (< 1%) | 20 (1%) |