Time after birth in minutes | SpO2, median (IQR), % | p | |
---|---|---|---|
Leiden (n=109) | Defined reference ranges (n=308) | ||
1 | 78 (67–87) | 67 (59–77) | <0.001 |
2 | 80 (74–86) | 73 (62–82) | <0.001 |
3 | 85 (77–91) | 81 (67–92) | <0.01* |
4 | 86 (80–93) | 91 (79–95) | ns |
5 | 90 (81–95) | 94 (86–97) | <0.05* |
6 | 91 (85–95) | 95 (90–97) | <0.001 |
7 | 91 (87–95) | 96 (93–98) | <0.001* |
8 | 92 (89–96) | 97 (94–98) | <0.001* |
9 | 93 (89–97) | 97 (94–98) | <0.001* |
10 | 95 (89–98) | 97 (94–98) | <0.001* |
*Means corrected for assumption equal variances.