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Race/Ethnicity

Visit (Number) vs Apnea-Hypopnea Index (NREM): (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 NREM 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 36.8 ± 28.4 29.5 0.0 161.8 293 1,516
CPAP Titration Visit (CPAP) 1,065 21.7 ± 25.3 11.2 -2.0 125.0 451 1,516
Two Month Post-CPAP Neurocognitive Visit (2M) 879 17.4 ± 23.4 7.3 0.0 135.7 637 1,516
Four Month Post-CPAP Neurocognitive Visit (4M) - - - - - - 1,516 1,516
Six Month Post-CPAP Neurocognitive Visit (6M) 849 16.5 ± 22.7 6.9 0.0 127.2 667 1,516
Gender vs Apnea-Hypopnea Index (NREM): (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 NREM 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 (NREM): (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 NREM 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 (NREM): (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 NREM sleep from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 36.8 ± 28.4 29.5 0.0 161.8 293 1,516
Male 783 40.5 ± 28.4 33.9 0.0 132.4 175 958
Female 440 30.3 ± 27.2 22.0 0.6 161.8 118 558
Gender vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 21.7 ± 25.3 11.2 -2.0 125.0 451 1,516
Male 699 24.3 ± 26.2 14.4 -2.0 125.0 259 958
Female 366 16.8 ± 22.7 7.2 0.0 115.2 192 558
Gender vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 17.4 ± 23.4 7.3 0.0 135.7 637 1,516
Male 572 18.8 ± 24.0 8.6 0.0 135.7 386 958
Female 307 14.9 ± 22.1 4.7 0.0 116.7 251 558
Gender vs Apnea-Hypopnea Index (NREM): (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 NREM 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 (NREM): (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 NREM sleep from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 16.5 ± 22.7 6.9 0.0 127.2 667 1,516
Male 552 17.9 ± 23.0 8.6 0.0 127.2 406 958
Female 297 14.0 ± 22.0 4.9 0.0 126.6 261 558
Race/Ethnicity vs Apnea-Hypopnea Index (NREM): (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 NREM 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 (NREM): (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 NREM 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 (NREM): (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 NREM sleep from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 36.8 ± 28.4 29.5 0.0 161.8 293 1,516
Native American 20 34.7 ± 35.2 21.0 0.5 120.9 8 28
Asian 73 32.8 ± 28.3 22.8 0.0 113.9 16 89
Black 120 37.7 ± 31.4 27.9 0.0 161.8 52 172
Hispanic 84 35.8 ± 27.3 33.5 2.0 130.2 32 116
White 918 37.2 ± 28.0 29.8 0.0 132.8 184 1,102
Other 8 28.3 ± 18.1 29.1 2.7 61.3 1 9
Race/Ethnicity vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 21.7 ± 25.3 11.2 -2.0 125.0 451 1,516
Native American 17 17.8 ± 25.7 6.0 1.7 89.0 11 28
Asian 60 17.4 ± 22.1 7.2 0.0 91.6 29 89
Black 97 19.3 ± 27.2 9.2 0.0 125.0 75 172
Hispanic 72 25.3 ± 28.8 15.4 0.0 116.3 44 116
White 814 22.1 ± 24.9 12.3 -2.0 119.0 288 1,102
Other 5 27.5 ± 22.5 25.2 1.4 61.6 4 9
Race/Ethnicity vs Apnea-Hypopnea Index (NREM): (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 NREM sleep from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 17.4 ± 23.4 7.3 0.0 135.7 637 1,516
Native American 13 16.4 ± 28.4 5.4 0.2 95.7 15 28
Asian 49 12.1 ± 20.4 3.1 0.0 111.7 40 89
Black 77 12.9 ± 18.3 5.9 0.0 85.3 95 172
Hispanic 65 23.7 ± 28.7 11.9 0.0 124.9 51 116
White 672 17.6 ± 23.3 7.5 0.0 135.7 430 1,102
Other 3 41.6 ± 35.7 44.3 4.6 75.9 6 9
Race/Ethnicity vs Apnea-Hypopnea Index (NREM): (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 NREM 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 (NREM): (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 NREM sleep from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 16.5 ± 22.7 6.9 0.0 127.2 667 1,516
Native American 13 7.5 ± 8.9 4.6 0.7 30.4 15 28
Asian 50 10.3 ± 16.6 3.2 0.0 78.5 39 89
Black 75 12.6 ± 18.9 4.9 0.0 86.4 97 172
Hispanic 61 18.5 ± 23.3 8.3 0.0 90.3 55 116
White 647 17.4 ± 23.5 7.7 0.0 127.2 455 1,102
Other 3 33.8 ± 32.8 22.6 8.1 70.8 6 9