Oxygen saturation (SpO2) alarm settings for hospitals with
and without a policy change. For hospitals without a SpO2 alarm policy change,
median alarm limits were 88% (lower limit) and 95% (upper limit). For hospitals
with a policy change, original alarm settings, shown in X marks, had median
values of 85% (lower limit) and 96% (upper limit). The revised alarm settings,
shown in circles, had median values of 89% (lower limit) and 95% (upper limit).
Original alarm settings are not shown for 2 hospitals in the SpO2
alarm policy change group: 1 hospital transitioned from no policy to an
SpO2 alarm policy, and 1 hospital did not have record of the
original SpO2 alarm settings.