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ai_all under Sleep Monitoring/Polysomnography/Arousal in CFS variables
Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours.
ai_all under Sleep Monitoring/Polysomnography/Arousals in SOF variables
Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours.
ai_rem under Sleep Monitoring/Polysomnography/Arousals in SOF variables
Total arousals in rapid eye movement sleep (REM) per hours of rapid eye movement sleep (REM)
ai_all under Sleep Monitoring/Polysomnography/Arousals in SHHS variables
Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours.
ai_all under Sleep Monitoring/Polysomnography/Arousals in CCSHS variables
Total number of arousals per hour of sleep. Ratio of count of arousals to total sleep time in hours. [(Total number of arousals) / (hours of sleep)]
ai_all under Sleep Monitoring/Polysomnography/Arousals in CHAT variables
All arousals were scored but only arousals that started in epoch of sleep are included in the arousal index calculations.[(Total number of arousals) / (hours of sleep)]