Physiological parameters
| Minutes | HR <32 weeks median (IQR), n=20 | SpO2 <32 weeks median (IQR), n=20 | HR all infants median (IQR), n=26 | SpO2 all infants median (IQR), n=26 |
| 1 | 123 (89–148) | 54 (46–67) | 113 (81–143) | 58 (49–60) |
| 2 | 127 (96–137) | 58 (47–82) | 126 (106–140) | 59 (49–81) |
| 3 | 134 (112–148) | 79 (57–91) | 135 (118–149) | 72 (54–90) |
| 4 | 141 (124–147) | 93 (78–95) | 141 (128–147) | 90 (65–94) |
| 5 | 144 (128–155) | 92 (84–97) | 144 (129–155) | 91 (80–96) |
| 6 | 143 (134–151) | 91 (88–96) | 143 (135–151) | 91 (84–95) |
| 7 | 146 (131–155) | 91 (88–96) | 148 (135–156) | 91 (87–95) |
| 8 | 145 (132–151) | 93 (88–97) | 145 (127–151) | 93 (89–96) |
| 9 | 144 (127–155) | 93 (90–96) | 145 (127–155) | 93 (90–96) |
| 10 | 138 (129–155) | 92 (88–95) | 141 (129–155) | 93 (89–95) |
Data are presented as median (IQR), for infants born <32 weeks of gestational age and all infants.