All livebirths at 22–27 weeks' gestation free of major malformations n=541 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Outborn livebirths n=84 | Inborn livebirths n=457 | |||||||||
Gestational age in completed weeks | All outborn livebirths | Death before NICU admission | Died in NICU | Died post-discharge home | All deaths 1 year after livebirth | All inborn livebirths | Death before NICU admission | Died in NICU | Died post-discharge home | All deaths 1 year after livebirth |
22 | 13 | 12 (92%) | 1 (100%) | – | 13 (100%) | 27 | 26 (96%) | 1 (100%) | – | 27 (100%) |
23 | 19 | 17 (89%) | 1 (50%) | 0 | 18 (95%) | 36 | 22 (61%) | 4 (29%) | 0 | 26 (72%) |
24 | 9 | 3 (33%) | 1 (17%) | 0 | 4 (44%) | 75 | 10 (13%) | 29 (45%) | 0 | 39 (52%) |
25 | 9 | 1 (11%) | 6 (75%) | 0 | 7 (78%) | 91 | 0 (0%) | 17 (19%) | 2 | 19 (21%) |
26 | 17 | 0 (0%) | 2 (12%) | 3 | 5 (29%) | 112 | 1 (1%) | 10 (9%) | 2 | 13 (12%) |
27 | 17 | 2 (12%) | 0 (0%) | 0 | 2 (12%) | 116 | 2 (2%) | 13 (11%) | 1 | 16 (14%) |
22–27 weeks | 84 | 35/84 (42%) | 11/49 (22%) | 3/49 (6%) | 49/84 (58%) | 457 | 61/457 (13%) | 74/396 (19%) | 5/396 (1.3%) | 140/457 (31%) |
Data are n (%).
NICU, neonatal intensive care unit.