Race/Ethnicity

Visit (Number) vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 38.2 ± 26.6 31.9 0.0 156.4 293 1,516
CPAP Titration Visit (CPAP) 1,065 22.3 ± 24.5 13.0 -2.0 121.5 451 1,516
Two Month Post-CPAP Neurocognitive Visit (2M) 879 18.4 ± 22.6 9.0 0.0 131.5 637 1,516
Four Month Post-CPAP Neurocognitive Visit (4M) - - - - - - 1,516 1,516
Six Month Post-CPAP Neurocognitive Visit (6M) 849 17.5 ± 21.9 8.6 0.0 122.4 667 1,516
Gender vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 38.2 ± 26.6 31.9 0.0 156.4 293 1,516
Male 783 40.9 ± 26.6 35.1 0.0 130.4 175 958
Female 440 33.5 ± 26.0 26.2 0.6 156.4 118 558
Gender vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 22.3 ± 24.5 13.0 -2.0 121.5 451 1,516
Male 699 24.4 ± 25.3 15.0 -2.0 121.5 259 958
Female 366 18.4 ± 22.4 9.7 0.0 114.7 192 558
Gender vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 18.4 ± 22.6 9.0 0.0 131.5 637 1,516
Male 572 19.4 ± 23.1 9.9 0.0 131.5 386 958
Female 307 16.6 ± 21.7 6.5 0.0 113.3 251 558
Gender vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 17.5 ± 21.9 8.6 0.0 122.4 667 1,516
Male 552 18.4 ± 21.9 9.4 0.0 122.4 406 958
Female 297 15.8 ± 21.7 7.7 0.0 120.9 261 558
Race/Ethnicity vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 38.2 ± 26.6 31.9 0.0 156.4 293 1,516
Native American 20 38.1 ± 33.2 26.5 3.9 119.5 8 28
Asian 73 34.0 ± 26.7 27.4 0.0 113.7 16 89
Black 120 40.3 ± 29.4 34.9 0.0 156.4 52 172
Hispanic 84 38.1 ± 25.8 36.8 2.7 130.4 32 116
White 918 38.4 ± 26.2 32.3 0.6 130.7 184 1,102
Other 8 29.2 ± 17.0 31.1 4.7 58.7 1 9
Race/Ethnicity vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 22.3 ± 24.5 13.0 -2.0 121.5 451 1,516
Native American 17 19.9 ± 25.3 9.7 2.5 86.3 11 28
Asian 60 17.8 ± 21.6 8.4 0.0 86.0 29 89
Black 97 20.7 ± 26.1 10.5 0.0 121.5 75 172
Hispanic 72 26.2 ± 28.2 16.2 0.3 116.3 44 116
White 814 22.6 ± 24.1 13.4 -2.0 117.4 288 1,102
Other 5 26.1 ± 22.3 22.6 1.6 60.5 4 9
Race/Ethnicity vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 18.4 ± 22.6 9.0 0.0 131.5 637 1,516
Native American 13 18.3 ± 27.9 7.6 0.3 93.6 15 28
Asian 49 13.0 ± 19.6 4.9 0.0 108.9 40 89
Black 77 15.1 ± 18.1 7.4 0.1 81.5 95 172
Hispanic 65 25.4 ± 27.5 15.4 0.0 124.5 51 116
White 672 18.4 ± 22.5 9.1 0.0 131.5 430 1,102
Other 3 41.1 ± 33.4 38.7 9.0 75.6 6 9
Race/Ethnicity vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + 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 17.5 ± 21.9 8.6 0.0 122.4 667 1,516
Native American 13 10.0 ± 8.6 6.6 0.8 25.3 15 28
Asian 50 11.1 ± 15.8 4.3 0.0 77.0 39 89
Black 75 14.6 ± 18.8 6.5 0.0 85.7 97 172
Hispanic 61 19.8 ± 22.2 11.3 0.0 85.7 55 116
White 647 18.2 ± 22.6 9.4 0.0 122.4 455 1,102
Other 3 34.4 ± 30.6 21.4 12.4 69.3 6 9