Table 2 Delivery room characteristics.
Characteristic | n(%), Median (IQR) | |||
---|---|---|---|---|
All 2008–2023 (N = 454) | Epoch 1 2008–2013 (N = 106) | Epoch 2 2014–2018 (N = 156) | Epoch 3 2019–2023 (N = 192) | |
1 min Apgar | 5 (3, 8) | 5 (3, 7) | 5 (3, 7) | 6 (4, 8) |
5 min Apgar | 8 (7, 9) | 8 (6, 9) | 8 (6, 9) | 8 (7, 9) |
Time to Pre-ductal SpO2 > 85% (minutes) | 10.0 (6.0, 16.0) | 9.0 (6.0, 16.0) | 11.0 (7.0, 16.5) | 9.0 (6.0, 15.0) |
Time to HR > 100 beats per minute (minutes) | 2.0 (1.0, 4.0) | 1.0 (0, 2.0) | 2.0 (1.0, 4.5) | 3.0 (1.0, 4.5) |
Time to intubation (minutes) | 2.0 (1.0, 3.0) | 2.0 (1.0, 3.0) | 2.0 (2.0, 3.0) | 2.0 (1.0, 3.0) |
Ventilator type in delivery room CMV HFOV | N = 427 315 (73.8%) 112 (26.2%) | N = 96 94 (98.0%) 2 (2.0%) | N = 148 136 (92.0%) 12 (8.0%) | N = 183 85 (46.4%) 98 (53.6%) |
First FiO2 in delivery room | 50 (50, 80) | 100 (100, 100) | 50 (50, 50) | 50 (50, 50) |
Last FiO2 in delivery room | 70 (50, 100) | 100 (100, 100) | 60 (50, 100) | 50 (45, 100) |
Maximum FiO2 in delivery room | 100 (50,100) | 100 (100, 100) | 78 (50, 100) | 70 (50, 100) |
Fentanyl given in delivery room | 301 (66.3%) | 66 (62.3%) | 102 (65.4%) | 133 (69.3%) |
Vecuronium given in delivery room | 95 (20.9%) | 8 (7.5%) | 27 (17.3%) | 60 (31.3%) |
Normal saline bolus given in delivery room | 173 (38.1%) | 26 (24.5%) | 67 (42.9%) | 80 (41.7%) |
Time in delivery room (minutes) | 66.0 (57.0, 79.0) | 64.0 (54.0, 73.0) | 64.5 (53.0, 78.3) | 70.0 (59.0, 80.5) |
Time to first blood gas (minutes) | 43.0 (35.0, 52.0) | 42.5 (33.8, 48.3) | 41.0 (33.5, 51.0) | 45.5 (37.0, 54.0) |
pH | 7.11 (6.98, 7.21) | 7.10 (6.96, 7.18) | 7.06 (6.94, 7.15) | 7.17 (7.05, 7.26) |
CO2 | 72.6 (55.0, 92.6) | 78.8 (60.5, 96.0) | 81.5 (62.0, 105.0) | 62.3 (49.0, 83.0) |
PaO2 | 48.0 (40.0, 61.0) | 47.5 (40.8, 60.3) | 47.5 (41.0, 56.3) | 48.0 (38.0, 65.3) |
Base deficit | −8.0 (−11.0, −5.0) | −7.0 (−10.0, −6.0) | −9.5 (−12.0, −7.0) | −7.0 (−10.0, −4.0) |
iNO in delivery room | 5 (1%) | 3 (2%) | 2 (1%) | 0 (0%) |
iNO in first 24 h | 217 (48%) | 39 (37%) | 85 (55%) | 93 (48%) |