Wide (80–94%) | Narrow (86–94%) | Median difference | |
Mean Spo2 (%) | 89.3 (88.1 to 90.5) | 89.0 (88.6 to 91.8) | 0 (−1.9 to 1.7) |
% Time Spo2 >94% | 8.8 (5.3 to 20.4) | 12.9 (6.3 to 31.0) | 3.8 (−0.9 to 10.2)* |
% Time Spo2 <86% | 16.0 (5.8 to 24.7) | 14.4 (9.1 to 24.3) | 0 (−8.4 to 6.9) |
% Time Spo2 <80% | 3.8 (0.5 to 7.9) | 4.2 (2.0 to 11.8) | 0.5 (−1.0 to 6.2) |
Spo2 variability | 5.0 (3.3 to 7.3) | 6.2 (4.2 to 10.7) | 0.7 (−0.4 to 3.8)* |
Spo2, oxygen saturation. Data are median (interquartile range). *p<0.05.