Gestation (weeks) | n | 5 min SpO2 | Male gender | Died | IVH >grade 3* | BPD† | |||
Detected | <80% | 80%–85% | >85% | ||||||
23 | 2 | 2 (100%) | 2 (100%) | 0 | 0 | 1 (50%) | 1 (50%) | 0 | 1/1 (100%) |
24 | 47 | 44 (94%) | 30 (68%) | 7 (16%) | 7 (16%) | 19 (43%) | 14 (32%) | 6/43 (14%) | 14/49 (48%) |
25 | 80 | 73 (91%) | 42 (58%) | 10 (14%) | 21 (29%) | 40 (55%) | 17 (23%) | 13/70 (19%) | 33/53 (62%) |
26 | 112 | 105 (94%) | 55 (52%) | 17 (16%) | 33 (31%) | 57 (54%) | 13 (12%) | 14/101 (14%) | 43/88 (49%) |
27 | 103 | 99 (96%) | 52 (52%) | 13 (13%) | 34 (34%) | 53 (54%) | 5 (5%) | 11/94 (12%) | 24/90 (27%) |
28 | 148 | 135 (91%) | 72 (53%) | 12 (9%) | 51 (38%) | 67 (50%) | 5 (4%) | 6/121 (5%) | 18/117 (15%) |
29 | 94 | 89 (95%) | 25 (28%) | 11 (12%) | 53 (60%) | 53 (60%) | 4 (5%) | 2/86 (2%) | 14/85 (17%) |
30 | 84 | 75 (89%) | 18 (24%) | 7 (9%) | 50 (67%) | 37 (49%) | 0 | 0 | 3/75 (4%) |
31 | 98 | 84 (86%) | 27 (32%) | 9 (11%) | 48 (57%) | 38 (45%) | 0 | 0 | 3/84 (4%) |
Total | 768 | 706 (92%) | 323 (46%) | 86 (12%) | 297 (42%) | 365 (52%) | 59 (8%) | 52/675 (8%) | 153/622 (25%) |
*675 infants had a head ultrasound performed.
†Excludes deceased infants.
BPD, bronchopulmonary dysplasia35; IVH, intraventricular haemorrhage; SpO2, pulse oximetry.