From: Outcome of neonatal hypoxemic respiratory failure: a livebirth population-based retrospective survey
Year of original data | 2004 | 2007 | 2008 | 2012 | 2010 | 2015 |
---|---|---|---|---|---|---|
Network region | Nation-wide multicenter NICU | Hebei province multicenter NICU | Nation-wide multicenter NICU | Northwest multicenter NICU | Huai’an regional all in-hospital | Huai’an regional all in-hospital |
NRF | 1722 | 1875 | 6864 | 1324 | 556 | 788 |
Prevalence of NRF | 13.2a | 16.9a | 19.7a | 13.4a | 6.8b | 9.9b |
Mortality rate | 32.1 | 31.4 | 24.7 | 15.4 | 22.5 | 18.4 |
Clinical characteristics | ||||||
Male | 75.5 | 72.5 | 70.9 | 65.7 | 71.6 | 60.4 |
GA, weeks (Range) | 34.9 ± 4.1 (24–44) | 35.0 ± 4.0 (24–43) | 34.9 ± 3.9 (23–45) | 35.6 ± 3.7 (23–44) | 35.3 ± 3.6 (26–43) | 34.5 ± 4.0 (25–42) |
< 37 weeks | 63.3 | 63.0 | 62.5 | 60.2 | 64.6 | 67.0 |
< 32 weeks | – | – | 23.9 | 13.1 | 20.5 | 28.8 |
< 28 weeks | 2.6 | 1.6 | 2.4 | 1.0 | 2.0 | 4.9 |
BW, g (range) | 2309 ± 832 (650–6075) | 2267 ± 804 (600–5500) | 2314 ± 819 (600–6500) | 2379 ± 727 (660–4810) | 2433 ± 789 (800–4980) | 2334 ± 886 (700–5700) |
< 2500 g | 59.7 | 60.9 | 57.9 | 59.0 | 65.3 | 57.5 |
< 1500 g | 17.2 | 17.7 | 16.6 | 11.5 | 11.7 | 19.8 |
< 1000 g | 1.9 | 2.0 | 2.3 | 1.0 | 1.0 | 2.5 |
SNAPPE-II | 20 [8, 34] | 20 [8, 35] | 15 [6, 27] | 7 [5, 18] | – | 10 [5, 19] |
Respiratory therapy | ||||||
Surfactant | 16.6 | 28.7 | 26.8 | 15.9 | 14.0 | 27.8 |
CPAP | 52.6 | 69.4 | 69.2 | 70.0 | 67.8 | 80.8 |
MV | 61.2 | 46.7 | 57.9 | 32.4 | 46.9 | 44.2 |
Postnatal steroids | – | 15.9 | 20.5 | – | 15.6 | 15.7 |
Primary diagnosis | ||||||
RDS | 602 (35.0) | 881 (47.0) | 3010 (43.9) | 488 (36.9) | 333 (59.9) | 287 (36.4) |
Survival rate | 66.2 | 67.3 | 76.2 | 78.6 | 70.9 | 78.4 |
Surfactant treatment | 36.0 | 58.3 | 54.8 | 35.7 | 21.6 | 67.9 |
Survival rate | ||||||
Surfactant | 78.8 | 73.7 | 79.9 | 84.2 | – | 81.5 |
Non-surfactant | 63.5** | 58.6** | 71.8** | 75.8** | – | 70.7 |
Differencec | 15.3 | 15.1 | 8.1 | 8.4 | – | 10.8 |
Numbers needed to treat | 6.5 | 6.6 | 12.3 | 11.9 | 9.3 | |
RDS with BW < 1500 gd | 242 (40.2) | 331 (37.6) | 816 (27.1) | 121 (24.8) | – | 118 (41.1) |
Survival rate | 54.5 | 45.3 | 56.9 | 55.3 | – | 59.3 |
Surfactant treatment | 43.4 | 43.2 | 64.2 | 49.5 | – | 77.1 |
Survival rate | ||||||
Surfactant | 67.6 | 54.5 | 59.8 | 68.5 | – | 67.0 |
Non-surfactant | 44.5** | 42.7** | 52.2* | 53.6** | – | 33.3** |
Differencec | 13.1 | 11.8 | 7.6 | 14.9 | – | 33.7 |
Numbers needed to treat | 7.6 | 8.5 | 13.2 | 6.7 | – | 3.0 |
Pneumonia/sepsis | 18.4 | 25.1 | 21.7 | 38.0 | 27.0 | 35.3 |
Meconium aspiration syndrome | 9.5 | 7.8 | 7.0 | 2.2 | 1.4 | 1.6 |
Congenital anomalies | 3.0 | – | – | – | 0.9 | 10.2 |
Complications | ||||||
Acquired pneumonia/sepsis | 17.1 | 21.7 | 14.3 | 19.2 | 17.6 | 21.4 |
Neurologic impairment | 3.5 | 2.8 | 3.9 | 12.5 | 1.1 | 19.9 |
Air leak | 2.3 | 1.2 | 3.1 | 3.4 | 5.4 | 6.0 |
Bronchopulmonary dysplasia | 1.5 | 0.4 | 1.8 | 1.3 | 0.2 | 9.1 |
Patent ductus arteriosus | – | 1.7 | 5.1 | 3.1 | – | 9.5 |
Necrotizing enterocolitis | – | 0.6 | 1.3 | 2.9 | 0.2 | 5.8 |
Retinopathy of prematurity | 1.0 | – | 1.2 | 1.0 | – | 4.4 |
Reference | 15 | 14 | 17 | 20 | 21 | Current |