From: Outcome of neonatal hypoxemic respiratory failure: a livebirth population-based retrospective survey
GA, weeks | ||||||
25–27 | 28–31 | 32–33 | 34–36 | 37–38 | 39–42 | |
N | 36 | 115 | 56 | 53 | 12 | 15 |
Male | 22 (61.1) | 66 (57.4) | 33 (58.9) | 30 (56.6) | 9 (75.0) | 13 (86.7) |
BW, mean ± SD, g | 1050 ± 179 | 1429 ± 296 | 1941 ± 351 | 2372 ± 557 | 2873 ± 522 | 3215 ± 763 |
Survival | 17 (47.2) | 83 (72.2) | 50 (89.3) | 50 (94.3) | 11 (91.7) | 13 (86.7) |
Surfactant | 29 (80.6) | 87 (75.7) | 35 (62.5) | 29 (54.7) | 7 (58.3) | 8 (53.3) |
Non-surfactant | 7 (19.4) | 28 (24.3) | 21 (37.5) | 24 (45.3) | 5 (41.7) | 7 (46.7) |
Survival with surfactant | 16 (55.2) | 72 (82.8) | 31 (88.6) | 27 (93.1) | 6 (85.7) | 7 (87.5) |
Survival without surfactant | 1 (14.3) | 11 (39.3)*** | 19 (90.5) | 23 (95.8) | 5 (100) | 6 (85.7) |
Difference, %a | 40.9 | 43.5 | −1.9 | −2.7 | −14.3 | 1.8 |
Numbers needed to treatb | 2.4 | 2.3 | – | – | – | 56 |
BW, g | ||||||
< 1000 | 1000–1499 | 1500–2499 | 2500–3999 | ≥4000 | Total | |
N | 20 | 98 | 113 | 54 | 2 | 287 |
Male | 6 (30.0) | 58 (59.8) | 64 (56.6) | 44 (81.5) | 1 (50.0) | 174 (60.3) |
GA, mean ± SD, weeks | 27.6 ± 1.8 | 29.5 ± 2.1 | 32.5 ± 1.9 | 36.9 ± 2.2 | 37.1 ± 3.0 | 32.0 ± 3.5 |
Survival | 6 (30.0) | 64 (65.3) | 103 (91.2) | 49 (90.7) | 2 (100) | 224 (78.0) |
Surfactant | 16 (80.0) | 75 (76.5) | 73 (64.6) | 31 (57.4) | 0 | 195 (67.9) |
Non-surfactant | 4 (20.0) | 23 (23.5) | 40 (35.4) | 23 (42.6) | 2 (100) | 92 (32.1) |
Survival with surfactant | 6 (37.5) | 55 (73.3) | 70 (95.9) | 28 (90.3) | 2 (100) | 159 (81.5) |
Survival without surfactant | 0 | 9 (39.1)** | 33 (82.5)* | 21 (91.3) | 2 (100) | 65 (70.7)* |
Difference, %a | 37.5 | 34.2 | 13.4 | −1.0 | 0 | 10.8 |
Numbers needed to treatb | 2.9 | 2.9 | 7.5 | – | – | 9.3 |