Name	Label	Folder
nsrr_ahi_hp3r_aasm15 Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep	Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep 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: psg_ahi_a0h3a	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_ahi_hp3u Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep	Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: psg_ahi_a0h3	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_ahi_hp4r Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep	Apnea-Hypopnea Index : (All apneas + hypopneas with >= 4% oxygen desaturation or with arousal) / hour of sleep Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: psg_ahi_a0h4a	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_ahi_hp4u_aasm15 Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of sleep	Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of sleep 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: psg_ahi_a0h4	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_cai Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep	Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep Harmonized by the NSRR team. Source: psg_cai0p	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp3r_aasm15 Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >=3% oxygen desaturation or with arousal) / hour of sleep	Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >=3% oxygen desaturation or with arousal) / hour of sleep 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: psg_ahi_o0h3a	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp3u Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep	Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep Harmonized by the NSRR team. Source: psg_oahi3	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp3u_pb Obstructive Apnea-Hypopnea Index for supine sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep in supine position	Obstructive Apnea-Hypopnea Index for supine sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep in supine position Harmonized by the NSRR team. Source: psg_ahi_o0h3_supine	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp3u_po Obstructive Apnea-Hypopnea Index for non-supine sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep in non-supine position	Obstructive Apnea-Hypopnea Index for non-supine sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep in non-supine position Harmonized by the NSRR team. Source: psg_ahi_o0h3_nonsupine	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp3u_sn Obstructive Apnea-Hypopnea Index for NREM sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of NREM sleep	Obstructive Apnea-Hypopnea Index for NREM sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of NREM sleep Harmonized by the NSRR team. Source: psg_ahi_o0h3_nrem	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp3u_sr Obstructive Apnea-Hypopnea Index for REM sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of REM sleep	Obstructive Apnea-Hypopnea Index for REM sleep: (Obstructive apneas + hypopneas with >= 3% oxygen desaturation) / hour of REM sleep Harmonized by the NSRR team. Source: psg_ahi_o0h3_rem	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp4u Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep	Obstructive Apnea-Hypopnea Index : (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep Harmonized by the NSRR team. Source: psg_oahi4	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp4u_pb Obstructive Apnea-Hypopnea Index for supine sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep in supine position	Obstructive Apnea-Hypopnea Index for supine sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep in supine position Harmonized by the NSRR team. Source: psg_ahi_o0h4_supine	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp4u_po Obstructive Apnea-Hypopnea Index for non-supine sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep in non-supine position	Obstructive Apnea-Hypopnea Index for non-supine sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of sleep in non-supine position Harmonized by the NSRR team. Source: psg_ahi_o0h4_nonsupine	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp4u_sn Obstructive Apnea-Hypopnea Index for NREM sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of NREM sleep	Obstructive Apnea-Hypopnea Index for NREM sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of NREM sleep Harmonized by the NSRR team. Source: psg_ahi_o0h4_nrem	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oahi_hp4u_sr Obstructive Apnea-Hypopnea Index for REM sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of REM sleep	Obstructive Apnea-Hypopnea Index for REM sleep: (Obstructive apneas + hypopneas with >= 4% oxygen desaturation) / hour of REM sleep Harmonized by the NSRR team. Source: psg_ahi_o0h4_rem	Harmonized/Polysomnography/Apnea-Hypopnea Indices
nsrr_oai Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep	Obstructive Apnea Index: (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep Harmonized by the NSRR team. Source: psg_oai0p	Harmonized/Polysomnography/Apnea-Hypopnea Indices

Pediatric Adenotonsillectomy Trial of Snoring