TABLE 3

Statistics of last oximetry study prior to discontinuing oxygen

SpO2%96 (95–97.5)
Minimum SpO2%93
Drops of ≥4% per hour3.8 (2.2–5.3)
Percentage of total study time with SpO2 <90%0.56 (0.19–0.94)
SpO2 <90%2 min 29 s (1 min 14 s to 5 min 15 s)

Data are presented as median (interquartile range), unless otherwise stated. SpO2: arterial oxygen saturation measured by pulse oximetry.