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Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be

Name Label Folder
avglvlsa
Average oxygen saturation during in total sleep duration
Average oxygen saturation during in total sleep duration Polysomnography/Oxygen Saturation
minlvlsa
Minimum level of oxygen saturation in total sleep duration
Minimum level of oxygen saturation in total sleep duration Polysomnography/Oxygen Saturation
pctdursp_o90
Percentage of total sleep duration with < 90% oxygen saturation
Percentage of total sleep duration with < 90% oxygen saturation

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Oxygen Saturation
avgdurds_pbd0
Average level of desaturation (supine, all desaturations)
Average level of desaturation (supine, all desaturations) Polysomnography/Oxygen Saturation
avgdurds_pbd2
Average level of desaturation (supine, >= 2% desaturation)
Average level of desaturation (supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pbd4
Average level of desaturation (supine, >= 4% desaturation)
Average level of desaturation (supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pbd5
Average level of desaturation (supine, >= 5% desaturation)
Average level of desaturation (supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod0
Average level of desaturation (non-supine, all desaturations)
Average level of desaturation (non-supine, all desaturations) Polysomnography/Oxygen Saturation
avgdurds_pod2
Average level of desaturation (non-supine, >= 2% desaturation)
Average level of desaturation (non-supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod3
Average level of desaturation (non-supine, >= 3% desaturation)
Average level of desaturation (non-supine, >= 3% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod4
Average level of desaturation (non-supine, >= 4% desaturation)
Average level of desaturation (non-supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
avgdurds_pod5
Average level of desaturation (non-supine, >= 5% desaturation)
Average level of desaturation (non-supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
avglvlds
Average level of desaturation in total sleep duration
Average level of desaturation in total sleep duration Polysomnography/Oxygen Saturation
avglvlds_ap0uhp3x0u
Average Level of Desaturation Associated with Respiratory Events: All apneas with no oxygen desaturation threshold used and hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with or without arousal
Average Level of Desaturation Associated with Respiratory Events: All apneas with no oxygen desaturation threshold used and hypopneas with > 30% flow reduction and with no oxygen desaturation threshold used and with or without arousal Polysomnography/Oxygen Saturation
avglvlnd
Average oxygen saturation (nadir) in total sleep duration
Average oxygen saturation (nadir) in total sleep duration

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Oxygen Saturation
avglvlnd_ca0u
Average Oxygen Saturation (Nadir) Associated with Central Apneas: Central apneas with no oxygen desaturation threshold used and with or without arousal
Average Oxygen Saturation (Nadir) Associated with Central Apneas: Central apneas with no oxygen desaturation threshold used and with or without arousal Polysomnography/Oxygen Saturation
avglvlnd_oa0u
Average Oxygen Saturation (Nadir) Associated with Obstructive Apneas: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal
Average Oxygen Saturation (Nadir) Associated with Obstructive Apneas: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal Polysomnography/Oxygen Saturation
maxlvlds_pbd0
Maximum level of desaturation (supine, > 0% desaturation)
Maximum level of desaturation (supine, > 0% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pbd2
Maximum level of desaturation (supine, >= 2% desaturation)
Maximum level of desaturation (supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pbd3
Maximum level of desaturation (supine, >= 3% desaturation)
Maximum level of desaturation (supine, >= 3% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pbd4
Maximum level of desaturation (supine, >= 4% desaturation)
Maximum level of desaturation (supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pbd5
Maximum level of desaturation (supine, >= 5% desaturation)
Maximum level of desaturation (supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pod0
Maximum level of desaturation (non-supine, > 0% desaturation)
Maximum level of desaturation (non-supine, > 0% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pod2
Maximum level of desaturation (non-supine, >= 2% desaturation)
Maximum level of desaturation (non-supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pod3
Maximum level of desaturation (non-supine, >= 3% desaturation)
Maximum level of desaturation (non-supine, >= 3% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pod4
Maximum level of desaturation (non-supine, >= 4% desaturation)
Maximum level of desaturation (non-supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
maxlvlds_pod5
Maximum level of desaturation (non-supine, >= 5% desaturation)
Maximum level of desaturation (non-supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
maxlvlsa
Maximum level of oxygen saturation in total sleep duration
Maximum level of oxygen saturation in total sleep duration Polysomnography/Oxygen Saturation
minlvlnd
Minimum level of oxygen saturation (nadir) in total sleep duration
Minimum level of oxygen saturation (nadir) in total sleep duration

"Nadir" refers to the lowest oxygen saturation reading

Polysomnography/Oxygen Saturation
minlvlnd_ca0u
Minimum level of oxygen saturation (nadir) associated with central apneas in total sleep duration
Minimum level of oxygen saturation (nadir) associated with central apneas in total sleep duration

"Nadir" refers to the lowest oxygen saturation reading

Polysomnography/Oxygen Saturation
minlvlnd_oa0u
Minimum level of oxygen saturation (nadir) associated with obstructive apneas in total sleep duration
Minimum level of oxygen saturation (nadir) associated with obstructive apneas in total sleep duration

"Nadir" refers to the lowest oxygen saturation reading

Polysomnography/Oxygen Saturation
minlvlsa_pbd0
Minimum level of oxygen saturation (supine, > 0% desaturation)
Minimum level of oxygen saturation (supine, > 0% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pbd2
Minimum level of oxygen saturation (supine, >= 2% desaturation)
Minimum level of oxygen saturation (supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pbd3
Minimum level of oxygen saturation (supine, >= 3% desaturation)
Minimum level of oxygen saturation (supine, >= 3% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pbd4
Minimum level of oxygen saturation (supine, >= 4% desaturation)
Minimum level of oxygen saturation (supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pbd5
Minimum level of oxygen saturation (supine, >= 5% desaturation)
Minimum level of oxygen saturation (supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pod0
Minimum level of oxygen saturation (non-supine, > 0% desaturation)
Minimum level of oxygen saturation (non-supine, > 0% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pod2
Minimum level of oxygen saturation (non-supine, >= 2% desaturation)
Minimum level of oxygen saturation (non-supine, >= 2% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pod3
Minimum level of oxygen saturation (non-supine, >= 3% desaturation)
Minimum level of oxygen saturation (non-supine, >= 3% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pod4
Minimum level of oxygen saturation (non-supine, >= 4% desaturation)
Minimum level of oxygen saturation (non-supine, >= 4% desaturation) Polysomnography/Oxygen Saturation
minlvlsa_pod5
Minimum level of oxygen saturation (non-supine, >= 5% desaturation)
Minimum level of oxygen saturation (non-supine, >= 5% desaturation) Polysomnography/Oxygen Saturation
pctdursp_o75
Percentage of total sleep duration with < 75% oxygen saturation
Percentage of total sleep duration with < 75% oxygen saturation

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Oxygen Saturation
pctdursp_o80
Percentage of total sleep duration with < 80% oxygen saturation
Percentage of total sleep duration with < 80% oxygen saturation

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Oxygen Saturation
pctdursp_o85
Percentage of total sleep duration with < 85% oxygen saturation
Percentage of total sleep duration with < 85% oxygen saturation

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep

Polysomnography/Oxygen Saturation
phrnumds_d3
Number of Desaturations: >= 3% oxygen desaturations / hour of sleep
Number of Desaturations: >= 3% oxygen desaturations / hour of sleep Polysomnography/Oxygen Saturation
phrnumds_d4
Number of Desaturations: >= 4% oxygen desaturations / hour of sleep
Number of Desaturations: >= 4% oxygen desaturations / hour of sleep Polysomnography/Oxygen Saturation
ttldursa_o92
Total duration when oxygen saturation > 92% in sleep
Total duration when oxygen saturation > 92% in sleep Polysomnography/Oxygen Saturation
ttldursa_swo90
Total duration when oxygen saturation < 90% in awake
Total duration when oxygen saturation < 90% in awake Polysomnography/Oxygen Saturation
ttldursa_swo92
Total duration when oxygen saturation > 92% in awake
Total duration when oxygen saturation > 92% in awake Polysomnography/Oxygen Saturation
ttlnumds_d2prd
Number of desaturation with >= 2% oxygen desaturation in total sleep period
Number of desaturation with >= 2% oxygen desaturation in total sleep period

Sleep period is defined as lights-out to lights-on regardless of whether the event occurs during a sleep or wake epoch.

Polysomnography/Oxygen Saturation
ttlnumds_d3
Number of desaturations with >= 3% oxygen desaturation in total sleep duration
Number of desaturations with >= 3% oxygen desaturation in total sleep duration Polysomnography/Oxygen Saturation
ttlnumds_d3prd
Number of desaturation with >= 3% oxygen desaturation in total sleep period
Number of desaturation with >= 3% oxygen desaturation in total sleep period

Sleep period is defined as lights-out to lights-on regardless of whether the event occurs during a sleep or wake epoch.

Polysomnography/Oxygen Saturation
ttlnumds_d4
Number of desaturations with >= 4% oxygen desaturation in total sleep duration
Number of desaturations with >= 4% oxygen desaturation in total sleep duration Polysomnography/Oxygen Saturation
ttlnumds_d4prd
Number of desaturation with >= 4% oxygen desaturation in total sleep period
Number of desaturation with >= 4% oxygen desaturation in total sleep period

Sleep period is defined as lights-out to lights-on regardless of whether the event occurs during a sleep or wake epoch.

Polysomnography/Oxygen Saturation
ttlnumds_d5prd
Number of desaturation with >= 5% oxygen desaturation in total sleep period
Number of desaturation with >= 5% oxygen desaturation in total sleep period

Sleep period is defined as lights-out to lights-on regardless of whether the event occurs during a sleep or wake epoch.

Polysomnography/Oxygen Saturation
ttlnumds_o90
Number of desaturations that drop below 90% oxygen saturation in total sleep duration
Number of desaturations that drop below 90% oxygen saturation in total sleep duration Polysomnography/Oxygen Saturation