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No nasal congestion today or tonight

Have you had any nasal congestion or stuffiness today?

Have you had any nasal congestion or stuffiness tonight?

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE110_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE111_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE112_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE113_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE114_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE14_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE15_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE16_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE17_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE18_EXPLAIN variable

Binary variable that flags keywords: swollen nasal mucous membranes, congested, swollen turbinates and nasal congestion from the PE19_EXPLAIN variable

This includes nasal allergies

Did you have nasal stuffiness, obstruction, or discharge last night? (check one)

Did you have nasal stuffiness, obstruction, or discharge last night? a. If yes, did this interfere with your sleep last night? (check one)

Please indicate how often you experience each of the following. (check one box for each in items a through j) h. Nasal stuffiness, obstruction or discharge at night.

Hypopneas are defined using two criteria: a > 50%, but <= 90% amplitude decrease from baseline of the nasal pressure signal; or if there was a clear amplitude reduction of the nasal pressure signal that did not reach the above criterion but it was associated with either an oxygen desaturation > 3% or an arousal, and the event duration was >= 10 seconds. The definition of hypopnea events is consistent with the following clinical guidelines: American Academy of Sleep Medicine (AASM) Chicago 1999 standard. Sleep 1999 (PubMed ID:10450601) Search for all AHI variables consistent with the same clinical guidelines within this dataset

Harmonized by the NSRR team. The definition for hypopneas is consistent with the following clinical guidelines: (1) American Academy of Sleep Medicine (AASM) 2007 Manual (2012 update) (recommended). Berry RB et al. 2012 (PubMed ID:23066376), and (2) American Academy of Sleep Medicine (AASM) 2015 (recommended) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.] Refer to the source for detailed definition for respiratory events: :ahi_ap0uhp3x3r_f1t1:

Harmonized by the NSRR team.The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]. Refer to the source for detailed definition for respiratory events: :ahi_ap0uhp3x4u_f1t1:

Harmonized by the NSRR team. The definition for hypopneas is consistent with the following clinical guidelines: (1) American Academy of Sleep Medicine (AASM) 2007 Manual (2012 update) (recommended). Berry RB et al. 2012 (PubMed ID:23066376), and (2) American Academy of Sleep Medicine (AASM) 2015 (recommended) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.] Refer to the source for detailed definition for respiratory events: :ahi_a0h3a: at Visit 5

Harmonized by the NSRR team.The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]. Refer to the source for detailed definition for respiratory events: :ahi_a0h4: at Visit 5

Harmonized by the NSRR team. The definition for hypopneas is consistent with the following clinical guidelines: (1) American Academy of Sleep Medicine (AASM) 2007 Manual (2012 update) (recommended). Berry RB et al. 2012 (PubMed ID:23066376), and (2) American Academy of Sleep Medicine (AASM) 2015 (recommended) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.] Refer to the source for detailed definition for respiratory events: :poahi3a: at Visit 1