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Childhood Adenotonsillectomy Trial

Name Label Folder
capnotype
Capnograph type
Capnograph type Sleep/Polysomnography (PSG)/Capnography
co2dur
Hours of usable carbon dioxide (CO2)
Hours of usable carbon dioxide (CO2)

Hours of usable carbon dioxide (CO2) signal - requires use of calibrated channel type with upper and lower limits for valid signal

Sleep/Polysomnography (PSG)/Capnography
nova_est_co2avgnr
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM) (normalized for capnograph type)
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM) (normalized for capnograph type) Sleep/Polysomnography (PSG)/Capnography
nova_est_co2avgr
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM) (normalized for capnograph type)
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM) (normalized for capnograph type) Sleep/Polysomnography (PSG)/Capnography
nova_est_co2blslp
Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type) Sleep/Polysomnography (PSG)/Capnography
nova_est_co2blwake
Baseline end-tidal carbon dioxide (ETCO2) awake (normalized for capnograph type)
Baseline end-tidal carbon dioxide (ETCO2) awake (normalized for capnograph type) Sleep/Polysomnography (PSG)/Capnography
nova_est_co2peak
Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type) Sleep/Polysomnography (PSG)/Capnography
nova_est_pctco2g45
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type) Sleep/Polysomnography (PSG)/Capnography
nova_est_pctco2g50
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg) (normalized for capnograph type) Sleep/Polysomnography (PSG)/Capnography
rco2avgnr
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM)
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM) Sleep/Polysomnography (PSG)/Capnography
rco2avgr
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM)
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM) Sleep/Polysomnography (PSG)/Capnography
rco2blslp
Baseline end-tidal carbon dioxide (ETCO2) asleep
Baseline end-tidal carbon dioxide (ETCO2) asleep Sleep/Polysomnography (PSG)/Capnography
rco2blwake
Baseline end-tidal carbon dioxide (ETCO2) awake
Baseline end-tidal carbon dioxide (ETCO2) awake Sleep/Polysomnography (PSG)/Capnography
rco2peak
Peak end-tidal carbon dioxide (ETCO2) asleep
Peak end-tidal carbon dioxide (ETCO2) asleep Sleep/Polysomnography (PSG)/Capnography
rpctco2g45
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg)
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) Sleep/Polysomnography (PSG)/Capnography
rpctco2g50
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg)
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg) Sleep/Polysomnography (PSG)/Capnography
cat_pctco2g50
pctco2g50 < 25 binary
pctco2g50 < 25 binary Sleep/Polysomnography (PSG)/Capnography
co2avgnr
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM)
Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM) Sleep/Polysomnography (PSG)/Capnography
co2avgr
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM)
Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM) Sleep/Polysomnography (PSG)/Capnography
co2blslp
Baseline end-tidal carbon dioxide (ETCO2) asleep
Baseline end-tidal carbon dioxide (ETCO2) asleep Sleep/Polysomnography (PSG)/Capnography
co2blwake
Baseline end-tidal carbon dioxide (ETCO2) awake
Baseline end-tidal carbon dioxide (ETCO2) awake Sleep/Polysomnography (PSG)/Capnography
co2peak
Peak end-tidal carbon dioxide (ETCO2) asleep
Peak end-tidal carbon dioxide (ETCO2) asleep Sleep/Polysomnography (PSG)/Capnography
lgpctco2g50
LOG % Total Sleep Time (TST) with carbon dioxide (CO2) > 50 millimeters (mm) mercury (Hg)
LOG % Total Sleep Time (TST) with carbon dioxide (CO2) > 50 millimeters (mm) mercury (Hg)

Original source: MS 003

Sleep/Polysomnography (PSG)/Capnography
lgpctco2g50_0
LOG % Total Sleep Time (TST) with carbon dioxide (CO2) > 50 millimeters (mm) mercury (Hg) (0 replaced with 0.0001)
LOG % Total Sleep Time (TST) with carbon dioxide (CO2) > 50 millimeters (mm) mercury (Hg) (0 replaced with 0.0001)

Original source: MS 003

Sleep/Polysomnography (PSG)/Capnography
nepctco2g50_cat
Carbon dioxide (CO2) cutoff < 25
Carbon dioxide (CO2) cutoff < 25 Sleep/Polysomnography (PSG)/Capnography
pctco2g45
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg)
Percentage of Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) Sleep/Polysomnography (PSG)/Capnography
pctco2g50
Percentage of Total Sleep Time (TST) end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg)
Percentage of Total Sleep Time (TST) end-tidal carbon dioxide (ETCO2) > 50 millimeters (mm) mercury (Hg) Sleep/Polysomnography (PSG)/Capnography