Name
nsrr_ahi_ap4u
Label
Apnea-Hypopnea Index : (Apneas and hypopneas with >= 50% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of estimated sleep
Description
Harmonized by the NSRR team.
Data collected with no EEGs. Refer to the source for detailed definition for respiratory events: slpa63 at Visit 1
Units
events per hour
Type
numeric
Tags