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Childhood Adenotonsillectomy Trial

Name Label Folder
longap
Longest apnea
Longest apnea Sleep/Polysomnography (PSG)/Respiratory Events/Apnea
cardnba
Central apnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
Central apnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
cavgdur
Average central apnea length
Average central apnea length

duration (entire recording)

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
hmanrop
Number of mixed apnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
Number of mixed apnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Mixed
oavgdur
Average obstructive apnea length
Average obstructive apnea length

duration (entire recording)

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Obstructive
havgdur
Average hypopnea length
Average hypopnea length

duration (entire recording)

Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
longhyp
Longest hypopnea
Longest hypopnea

(entire recording)

Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinba
Hypopnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
Hypopnea per hour with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinba2
Hypopnea per hour with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
Hypopnea per hour with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinba3
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinbp
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinbp3
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinoa3
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)
Hypopnea per hour with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinop
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdinop3
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)
Hypopnea per hour (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdirba3
Hypopnea per hour with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Supine)
Hypopnea per hour with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Supine) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdirbp
Hypopnea per hour (Rapid eye movement sleep (REM), Supine, all desaturations)
Hypopnea per hour (Rapid eye movement sleep (REM), Supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdirbp3
Hypopnea per hour (Rapid eye movement sleep (REM), Supine, >=3% desaturation)
Hypopnea per hour (Rapid eye movement sleep (REM), Supine, >=3% desaturation) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdiroa
Hypopnea per hour with arousals (Rapid eye movement sleep (REM), Non-supine, all desaturations)
Hypopnea per hour with arousals (Rapid eye movement sleep (REM), Non-supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdiroa3
Hypopnea per hour with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)
Hypopnea per hour with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdirop
Hypopnea per hour (Rapid eye movement sleep (REM), Non-supine, all desaturations)
Hypopnea per hour (Rapid eye movement sleep (REM), Non-supine, all desaturations) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
rdirop3
Hypopnea per hour (Rapid eye movement sleep (REM), Non-supine, >=3% desaturation)
Hypopnea per hour (Rapid eye movement sleep (REM), Non-supine, >=3% desaturation) Sleep/Polysomnography (PSG)/Respiratory Events/Hypopnea
ahi3
Apnea / Hypopnea events with >= 3% percent desaturation per hour of sleep
Apnea / Hypopnea events with >= 3% percent desaturation per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_a0h3
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >=3% oxygen desaturation] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >=3% oxygen desaturation] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_a0h3a
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >=3% oxygen desaturation or arousal] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 3% - number of [all apneas] and [hypopneas with >=3% oxygen desaturation or arousal] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_a0h4
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_a0h4a
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h3
Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >=3% oxygen desaturation] per hour of sleep
Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >=3% oxygen desaturation] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h3a
Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >=3% oxygen desaturation or arousal] per hour of sleep
Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >=3% oxygen desaturation or arousal] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h4
Central Apnea-Hypopnea Index (AHI) >= 4% - number of [central apneas] and [hypopneas with >=4% oxygen desaturation] per hour of sleep
Central Apnea-Hypopnea Index (AHI) >= 4% - number of [central apneas] and [hypopneas with >=4% oxygen desaturation] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_c0h4a
Central Apnea-Hypopnea Index (AHI) >= 4% - number of [central apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Central Apnea-Hypopnea Index (AHI) >= 4% - number of [central apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahilt2
Obstructive Apnea Index (OAI) < 1 and Apnea-Hypopnea Index (AHI) < 2 (normal range) = 1 Ineligible Normal
Obstructive Apnea Index (OAI) < 1 and Apnea-Hypopnea Index (AHI) < 2 (normal range) = 1 Ineligible Normal Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h3
Obstructive Apnea-Hypopnea Index (AHI) >= 3% - number of [obstructive apneas] and [hypopneas with >=3% oxygen desaturation] per hour of sleep
Obstructive Apnea-Hypopnea Index (AHI) >= 3% - number of [obstructive apneas] and [hypopneas with >=3% oxygen desaturation] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h3a
Obstructive Apnea-Hypopnea Index (AHI) >= 3% - number of [obstructive apneas] and [hypopneas with >=3% oxygen desaturation or arousal] per hour of sleep
Obstructive Apnea-Hypopnea Index (AHI) >= 3% - number of [obstructive apneas] and [hypopneas with >=3% oxygen desaturation or arousal] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h4
Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >=4% oxygen desaturation] per hour of sleep
Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >=4% oxygen desaturation] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahi_o0h4a
Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep
Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >=4% oxygen desaturation or arousal] per hour of sleep Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
ahiu3
Respiratory Disturbance Index (RDI)-Apnea/Hypopnea/AASM Hypopneas (Unsure Compumedics label) with >= 3% desaturation
Respiratory Disturbance Index (RDI)-Apnea/Hypopnea/AASM Hypopneas (Unsure Compumedics label) with >= 3% desaturation Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
cai
Central apnea index
Central apnea index

(Total number of central apneas) / (hours of sleep)

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
cai0p
Central apnea index all desaturations
Central apnea index all desaturations

[(Total number of central apneas associated with all desaturations) / (hours of sleep)]. Will be missing if Total Sleep Time (TST) is 0.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
cent_obs_ratio
Central/Obstructive Apnea ratio at all desaturations
Central/Obstructive Apnea ratio at all desaturations Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
cent_obs_ratioa
Central/Obstructive Apnea ratio at all desaturations or with arousal
Central/Obstructive Apnea ratio at all desaturations or with arousal Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
oai
Obstructive apnea index
Obstructive apnea index

(Total number of obstructive apneas) / (hours of sleep)

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
omahi3
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal) no centrals
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal) no centrals

{[(total number of obstructive apneas) + (total number of mixed apneas) + (total number of hypopneas associated with >= 3% desaturation or arousal)] / (hours of sleep)}. will be missing if Total Sleep Time (TST) is 0.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
omahi3b
Supine Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)
Supine Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)

{[(total number of obstructive apneas) + (total number of mixed apneas) + (total number of hypopneas associated with >= 3% desaturation or arousal)] / (hours of sleep)}. will be missing if Total Sleep Time (TST) is 0.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
omahi3_change
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) change between Baseline and End
Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) change between Baseline and End Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
omahi3nr
Non-rapid eye movement sleep (NREM) Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)
Non-rapid eye movement sleep (NREM) Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)

{[(total number of obstructive apneas) + (total number of mixed apneas) + (total number of hypopneas associated with >= 3% desaturation or arousal)] / (hours of sleep)}. will be missing if Total Sleep Time (TST) is 0.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
omahi3o
Non-supine Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)
Non-supine Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)

{[(total number of obstructive apneas) + (total number of mixed apneas) + (total number of hypopneas associated with >= 3% desaturation or arousal)] / (hours of sleep)}. will be missing if Total Sleep Time (TST) is 0.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
omahi3r
Rapid eye movement sleep (REM) Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)
Rapid eye movement sleep (REM) Childhood Adenotonsillectomy Trial (CHAT) Apnea-Hypopnea Index (AHI) (obstructive apneas all desaturations, mixed apneas all desaturations, plus hypopneas with >=3% or arousal)

{[(total number of obstructive apneas) + (total number of mixed apneas) + (total number of hypopneas associated with >= 3% desaturation or arousal)] / (hours of sleep)}. will be missing if Total Sleep Time (TST) is 0.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
omai0p
Childhood Adenotonsillectomy Trial (CHAT) OMAI (obstructive/mixed apnea index all desaturations) no centrals
Childhood Adenotonsillectomy Trial (CHAT) OMAI (obstructive/mixed apnea index all desaturations) no centrals Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
pcstah3d
Percentage of sleep time in apnea+hypopnea with >=3% desaturation
Percentage of sleep time in apnea+hypopnea with >=3% desaturation Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
pcstahar
Percentage of sleep time in apnea+hypopnea with arousal
Percentage of sleep time in apnea+hypopnea with arousal Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
pcstahda
Percentage of sleep time in apnea+hypopnea with >=3% desaturation or arousal
Percentage of sleep time in apnea+hypopnea with >=3% desaturation or arousal Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
rdim3p
Overall Respiratory Disturbance Index (RDI) at >=3% desaturation
Overall Respiratory Disturbance Index (RDI) at >=3% desaturation

[(total number of apneas and hypopneas associated with >= 3% desaturation) / (hours of sleep)]

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
rdim3pa
Overall Respiratory Disturbance Index (RDI) at >=3% desaturation or arousal
Overall Respiratory Disturbance Index (RDI) at >=3% desaturation or arousal

[(total number of apneas and hypopneas with >= 3% desaturation or arousal) / (hours of sleep)]

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
rdim3pns
Overall non-supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Overall non-supine Respiratory Disturbance Index (RDI) at >=3% desaturation

[(total number of apneas and hypopneas in non-supine body position associated with >= 3% desaturation) / (hours of sleep)]. will be missing if no time non-supine or low position sensor quality.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
rdim3ps
Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation

[(total number of apneas and hypopneas in supine body position associated with >= 3% desaturation) / (hours of sleep)]. will be missing if no time supine or low position sensor quality.

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
rdim4p
Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Overall Respiratory Disturbance Index (RDI) at >=4% desaturation

[(total number of apneas and hypopneas associated with >= 4% desaturation) / (hours of sleep)]

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
rdim4pa
Overall Respiratory Disturbance Index (RDI) at >=4% desaturation or arousal
Overall Respiratory Disturbance Index (RDI) at >=4% desaturation or arousal

[(total number of apneas and hypopneas with >= 4% desaturation or arousal) / (hours of sleep)]

Sleep/Polysomnography (PSG)/Respiratory Events/Indexes
apavgdur
Average apnea length
Average apnea length

duration (entire recording)

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea
apnea3
Number of apnea events with >= 3% desaturation
Number of apnea events with >= 3% desaturation Sleep/Polysomnography (PSG)/Respiratory Events/Apnea
apntdur
Total apnea length (Non-rapid eye movement sleep (NREM))
Total apnea length (Non-rapid eye movement sleep (NREM))

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea
apntdurbp
Total apnea length (Non-rapid eye movement sleep (NREM), Supine)
Total apnea length (Non-rapid eye movement sleep (NREM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea
aprtdurop
Total apnea length (Rapid eye movement sleep (REM), Non-supine)
Total apnea length (Rapid eye movement sleep (REM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea
avcanba
Average central apnea length with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
Average central apnea length with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanba2
Average central apnea length with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
Average central apnea length with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanba3
Average central apnea length with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
Average central apnea length with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanba4
Average central apnea length with >=4% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
Average central apnea length with >=4% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanba5
Average central apnea length with >=5% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)
Average central apnea length with >=5% desaturation or arousal (Non-rapid eye movement sleep (NREM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanbp
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, all desaturations)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanbp2
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=2% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=2% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanbp3
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanbp4
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanbp5
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=5% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Supine, >=5% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanoa
Average central apnea length with arousals (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
Average central apnea length with arousals (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanoa2
Average central apnea length with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)
Average central apnea length with >=2% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanoa3
Average central apnea length with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)
Average central apnea length with >=3% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanoa4
Average central apnea length with >=4% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)
Average central apnea length with >=4% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanoa5
Average central apnea length with >=5% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)
Average central apnea length with >=5% desaturation or arousal (Non-rapid eye movement sleep (NREM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanop
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanop2
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=2% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=2% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanop3
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanop4
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcanop5
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=5% desaturation)
Average central apnea length (Non-rapid eye movement sleep (NREM), Non-supine, >=5% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarba
Average central apnea length with arousals (Rapid eye movement sleep (REM), Supine, all desaturations)
Average central apnea length with arousals (Rapid eye movement sleep (REM), Supine, all desaturations)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarba2
Average central apnea length with >=2% desaturation or arousal (Rapid eye movement sleep (REM), Supine)
Average central apnea length with >=2% desaturation or arousal (Rapid eye movement sleep (REM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarba3
Average central apnea length with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Supine)
Average central apnea length with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarba4
Average central apnea length with >=4% desaturation or arousal (Rapid eye movement sleep (REM), Supine)
Average central apnea length with >=4% desaturation or arousal (Rapid eye movement sleep (REM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarba5
Average central apnea length with >=5% desaturation or arousal (Rapid eye movement sleep (REM), Supine)
Average central apnea length with >=5% desaturation or arousal (Rapid eye movement sleep (REM), Supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarbp
Average central apnea length (Rapid eye movement sleep (REM), Supine, all desaturations)
Average central apnea length (Rapid eye movement sleep (REM), Supine, all desaturations)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarbp2
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=2% desaturation)
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=2% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarbp3
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=3% desaturation)
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=3% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarbp4
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=4% desaturation)
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=4% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarbp5
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=5% desaturation)
Average central apnea length (Rapid eye movement sleep (REM), Supine, >=5% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcaroa
Average central apnea length with arousals (Rapid eye movement sleep (REM), Non-supine, all desaturations)
Average central apnea length with arousals (Rapid eye movement sleep (REM), Non-supine, all desaturations)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcaroa2
Average central apnea length with >=2% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)
Average central apnea length with >=2% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcaroa3
Average central apnea length with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)
Average central apnea length with >=3% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcaroa4
Average central apnea length with >=4% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)
Average central apnea length with >=4% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcaroa5
Average central apnea length with >=5% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)
Average central apnea length with >=5% desaturation or arousal (Rapid eye movement sleep (REM), Non-supine)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarop
Average central apnea length (Rapid eye movement sleep (REM), Non-supine, all desaturation)
Average central apnea length (Rapid eye movement sleep (REM), Non-supine, all desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central
avcarop2
Average central apnea length (Rapid eye movement sleep (REM), Non-supine, >=2% desaturation)
Average central apnea length (Rapid eye movement sleep (REM), Non-supine, >=2% desaturation)

duration

Sleep/Polysomnography (PSG)/Respiratory Events/Apnea/Central