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Portion of sleep time spent with oxygen saturation less than 90% (split-night, diagnostic)
pctsa90p_d under Sleep Monitoring/Polysomnography/Sleep Architecture in HOMEPAP variables
Conventionally, total sleep duration would be called total sleep time (TST).
Percent of total sleep duration with oxygen saturation < 75% from type I polysomnography
pctdursp_salt75_f1t1 under Sleep Monitoring/Polysomnography in ABC variables
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.
Percent of total sleep duration with oxygen saturation < 80% from type I polysomnography
pctdursp_salt80_f1t1 under Sleep Monitoring/Polysomnography in ABC variables
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.
Percent of total sleep duration with oxygen saturation < 85% from type I polysomnography
pctdursp_salt85_f1t1 under Sleep Monitoring/Polysomnography in ABC variables
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.
Percent of total sleep duration with oxygen saturation < 90% from type I polysomnography
pctdursp_salt90_f1t1 under Sleep Monitoring/Polysomnography in ABC variables
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.
Signal for hypopnea scoring
Reply by stephaniemarvin on April 5, 2019 on Forum
... the changes in the oxygen saturation. If there are no changes in O2 saturation, scoring will be done ... from the inductance and saturation channels to identify/classify events." ...
Minimum nadirs in REM sleep from type I polysomnography
minsaondrem under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Urgent referral - oxygen saturation (SaO2) <90% >2% sleep time = 1 urgent ineligible
sa02lt90 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables
*Note studies that have oximetry problems here
Urgent referral - oxygen saturation (SaO2) <92% >2% sleep time = 1 Surgeon alert
sa02lt92 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables
*Note studies that have oximetry problems here
Minimum nadirs in NREM sleep from type I polysomnography
minsaondnrem under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Percent of estimated sleep duration with oxygen saturation < 70% from type III home sleep apnea test
satlt70p under Sleep Monitoring/Polysomnography/Sleep Architecture in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percent of total estimated sleep duration with oxygen saturation < 80% from type III home sleep apnea test
satlt80p under Sleep Monitoring/Polysomnography/Sleep Architecture in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percent of total estimated sleep duration with oxygen saturation < 90% from type III home sleep apnea test
satlt90p under Sleep Monitoring/Polysomnography/Sleep Architecture in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percentage of total estimated sleep duration with < 90% oxygen saturation from type III home sleep apnea test
satlt90p under Sleep Monitoring/Home Sleep Test in HOMEPAP variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percentage of total estimated sleep duration with < 75% oxygen saturation from type IV home sleep apnea test
slpa100 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percentage of total estimated sleep duration with < 70% oxygen saturation from type IV home sleep apnea test
slpa101 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percentage of total estimated sleep duration with < 95% oxygen saturation from type IV home sleep apnea test
slpa96 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Percentage of total estimated sleep duration with < 90% oxygen saturation from type IV home sleep apnea test
slpa97 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441).
Percentage of total estimated sleep duration with < 85% oxygen saturation from type IV home sleep apnea test
slpa98 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441).
Percentage of total estimated sleep duration with < 80% oxygen saturation from type IV home sleep apnea test
slpa99 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 3%) change between baseline and follow-up
chg_dsrem3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Average level of desaturation in total estimated sleep duration from type III home sleep apnea test
avglvlds_f1t3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in NUMOM2B variables
3-03-chat-data-analysis-tip-sheet.md
Childhood Adenotonsillectomy Trial
... | avgsat | | Oxygen | 1443 | Filtered: ... | minsat | | Oxygen | 1444 | Filtered: ... pctle92 | 1 | Oxygen | 1433 | Filtered ...
Maximum level of desaturation (supine, >= 2% desaturation) from type III home sleep apnea test
maxlvlds_pb_dsge2_f1t3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in NUMOM2B variables
Maximum level of desaturation (supine, >= 3% desaturation) from type III home sleep apnea test
maxlvlds_pb_dsge3_f1t3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in NUMOM2B variables
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