Name
hypindextstpsg
Label
Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Description
Calculated - Summary metric of sleep disordered breathing events. 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
Units
events per hour
Type
numeric
Visit (Number) vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Baseline (BL) | - | - | - | - | - | - | 1,516 | 1,516 |
Clinical Evaluation (CE) | - | - | - | - | - | - | 1,516 | 1,516 |
Diagnostic Visit (DX) | 1,223 | 19.4 | ± 13.1 | 16.9 | 0.0 | 81.7 | 293 | 1,516 |
CPAP Titration Visit (CPAP) | 1,065 | 12.5 | ± 12.3 | 8.8 | -2.0 | 90.4 | 451 | 1,516 |
Two Month Post-CPAP Neurocognitive Visit (2M) | 879 | 10.6 | ± 11.5 | 6.7 | 0.0 | 83.3 | 637 | 1,516 |
Four Month Post-CPAP Neurocognitive Visit (4M) | - | - | - | - | - | - | 1,516 | 1,516 |
Six Month Post-CPAP Neurocognitive Visit (6M) | 849 | 10.2 | ± 10.8 | 6.9 | 0.0 | 68.4 | 667 | 1,516 |
Gender vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Baseline (BL)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 1,516 | 1,516 |
Male | - | - | - | - | - | - | 958 | 958 |
Female | - | - | - | - | - | - | 558 | 558 |
Gender vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Clinical Evaluation (CE)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 1,516 | 1,516 |
Male | - | - | - | - | - | - | 958 | 958 |
Female | - | - | - | - | - | - | 558 | 558 |
Gender vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Diagnostic Visit (DX)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 1,223 | 19.4 | ± 13.1 | 16.9 | 0.0 | 81.7 | 293 | 1,516 |
Male | 783 | 19.1 | ± 12.7 | 17.1 | 0.0 | 73.5 | 175 | 958 |
Female | 440 | 20.0 | ± 13.7 | 16.7 | 0.0 | 81.7 | 118 | 558 |
Gender vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
CPAP Titration Visit (CPAP)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 1,065 | 12.5 | ± 12.3 | 8.8 | -2.0 | 90.4 | 451 | 1,516 |
Male | 699 | 12.8 | ± 11.9 | 9.4 | -2.0 | 90.4 | 259 | 958 |
Female | 366 | 12.0 | ± 13.0 | 7.4 | 0.0 | 85.7 | 192 | 558 |
Gender vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 879 | 10.6 | ± 11.5 | 6.7 | 0.0 | 83.3 | 637 | 1,516 |
Male | 572 | 10.3 | ± 10.4 | 7.3 | 0.0 | 75.0 | 386 | 958 |
Female | 307 | 11.1 | ± 13.4 | 5.0 | 0.0 | 83.3 | 251 | 558 |
Gender vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Four Month Post-CPAP Neurocognitive Visit (4M)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 1,516 | 1,516 |
Male | - | - | - | - | - | - | 958 | 958 |
Female | - | - | - | - | - | - | 558 | 558 |
Gender vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 849 | 10.2 | ± 10.8 | 6.9 | 0.0 | 68.4 | 667 | 1,516 |
Male | 552 | 10.3 | ± 10.7 | 7.1 | 0.0 | 68.4 | 406 | 958 |
Female | 297 | 10.0 | ± 11.0 | 5.9 | 0.0 | 59.8 | 261 | 558 |
Race/Ethnicity vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Baseline (BL)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 1,516 | 1,516 |
Native American | - | - | - | - | - | - | 28 | 28 |
Asian | - | - | - | - | - | - | 89 | 89 |
Black | - | - | - | - | - | - | 172 | 172 |
Hispanic | - | - | - | - | - | - | 116 | 116 |
White | - | - | - | - | - | - | 1,102 | 1,102 |
Other | - | - | - | - | - | - | 9 | 9 |
Race/Ethnicity vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Clinical Evaluation (CE)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 1,516 | 1,516 |
Native American | - | - | - | - | - | - | 28 | 28 |
Asian | - | - | - | - | - | - | 89 | 89 |
Black | - | - | - | - | - | - | 172 | 172 |
Hispanic | - | - | - | - | - | - | 116 | 116 |
White | - | - | - | - | - | - | 1,102 | 1,102 |
Other | - | - | - | - | - | - | 9 | 9 |
Race/Ethnicity vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Diagnostic Visit (DX)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 1,223 | 19.4 | ± 13.1 | 16.9 | 0.0 | 81.7 | 293 | 1,516 |
Native American | 20 | 18.4 | ± 13.0 | 15.1 | 3.1 | 58.0 | 8 | 28 |
Asian | 73 | 15.1 | ± 11.4 | 11.6 | 0.0 | 52.3 | 16 | 89 |
Black | 120 | 19.5 | ± 13.0 | 17.0 | 0.0 | 76.2 | 52 | 172 |
Hispanic | 84 | 19.8 | ± 13.7 | 15.5 | 0.0 | 76.0 | 32 | 116 |
White | 918 | 19.8 | ± 13.1 | 17.2 | 0.0 | 81.7 | 184 | 1,102 |
Other | 8 | 16.5 | ± 8.3 | 19.1 | 1.9 | 27.5 | 1 | 9 |
Race/Ethnicity vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
CPAP Titration Visit (CPAP)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 1,065 | 12.5 | ± 12.3 | 8.8 | -2.0 | 90.4 | 451 | 1,516 |
Native American | 17 | 10.3 | ± 10.0 | 8.4 | 0.9 | 40.5 | 11 | 28 |
Asian | 60 | 10.2 | ± 11.5 | 6.0 | 0.0 | 52.6 | 29 | 89 |
Black | 97 | 10.8 | ± 13.0 | 6.6 | 0.0 | 90.4 | 75 | 172 |
Hispanic | 72 | 12.2 | ± 11.5 | 9.1 | 0.1 | 65.1 | 44 | 116 |
White | 814 | 12.9 | ± 12.4 | 9.3 | -2.0 | 85.7 | 288 | 1,102 |
Other | 5 | 14.7 | ± 9.0 | 15.7 | 1.6 | 26.6 | 4 | 9 |
Race/Ethnicity vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 879 | 10.6 | ± 11.5 | 6.7 | 0.0 | 83.3 | 637 | 1,516 |
Native American | 13 | 9.0 | ± 13.0 | 5.8 | 0.3 | 50.5 | 15 | 28 |
Asian | 49 | 6.5 | ± 7.1 | 3.9 | 0.0 | 27.9 | 40 | 89 |
Black | 77 | 7.9 | ± 7.1 | 5.9 | 0.0 | 27.7 | 95 | 172 |
Hispanic | 65 | 12.3 | ± 11.9 | 9.3 | 0.0 | 44.9 | 51 | 116 |
White | 672 | 11.0 | ± 12.0 | 7.0 | 0.0 | 83.3 | 430 | 1,102 |
Other | 3 | 20.1 | ± 11.9 | 18.7 | 9.0 | 32.6 | 6 | 9 |
Race/Ethnicity vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Four Month Post-CPAP Neurocognitive Visit (4M)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 1,516 | 1,516 |
Native American | - | - | - | - | - | - | 28 | 28 |
Asian | - | - | - | - | - | - | 89 | 89 |
Black | - | - | - | - | - | - | 172 | 172 |
Hispanic | - | - | - | - | - | - | 116 | 116 |
White | - | - | - | - | - | - | 1,102 | 1,102 |
Other | - | - | - | - | - | - | 9 | 9 |
Race/Ethnicity vs Hypopnea Index: (Hypopneas with > 50% flow reduction and without oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 849 | 10.2 | ± 10.8 | 6.9 | 0.0 | 68.4 | 667 | 1,516 |
Native American | 13 | 8.5 | ± 8.0 | 5.3 | 0.8 | 25.1 | 15 | 28 |
Asian | 50 | 6.2 | ± 6.7 | 3.5 | 0.0 | 23.8 | 39 | 89 |
Black | 75 | 7.7 | ± 8.0 | 5.2 | 0.0 | 38.3 | 97 | 172 |
Hispanic | 61 | 10.5 | ± 9.9 | 7.5 | 0.0 | 46.1 | 55 | 116 |
White | 647 | 10.8 | ± 11.3 | 7.3 | 0.0 | 68.4 | 455 | 1,102 |
Other | 3 | 20.3 | ± 16.4 | 12.4 | 9.4 | 39.1 | 6 | 9 |