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rdi4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables
Ratio of the count of all apneas (central and obstructive) and hypopneas associated with at least a >=4% oxygen desaturation to the total sleep time
Sleep Heart Health Study
... sleep-related variables in the Sleep Heart Health Study are ... = log(OLDVAR + 0.1). Obstructive Apnea Index (OAI): There is ... data set. It reflects obstructive events associated with a ...
respevpr under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables
Due to signal problems, scorer noted that there was a problem scoring respiratory events.
apnhyppr under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables
Due to signal problems, scorer was unable to reliably distinguish between apnea and hypopnea events. The distinction between apnea and hypopnea was determined to be unreliable.
maxresou under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables
If a respiratory event greater than 150 seconds (s) in duration was observed, scorer has verified that this value is real.
Childhood Adenotonsillectomy Trial
... | 1371 | Filtered: Sleep efficiency % | | ... | Filtered: CHAT AHI (Obstructive apneas all desats, Mixed ... Filtered: CHAT OAI (Obstructive/Mixed Apnea Index all desats) no ...
Sleep Heart Health Study
... of discrete breathing events: obstructive apneas, central apneas, and ... distinguish mixed apneas from obstructive apneas. This decision was ... 1b, 1c, and 1d). Obstructive Apneas are identified when ...