Histogram

Visit (Number) vs Total number of hypopneas in REM sleep: (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) 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 25.2 ± 22.5 20.0 -2.0 187.0 293 1,516
CPAP Titration Visit (CPAP) 1,065 14.0 ± 16.8 8.0 -2.0 110.0 451 1,516
Two Month Post-CPAP Neurocognitive Visit (2M) 879 16.2 ± 18.4 10.0 -2.0 112.0 637 1,516
Four Month Post-CPAP Neurocognitive Visit (4M) - - - - - - 1,516 1,516
Six Month Post-CPAP Neurocognitive Visit (6M) 849 15.7 ± 17.3 10.0 -2.0 101.0 667 1,516
Gender vs Total number of hypopneas in REM sleep: (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) 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 Total number of hypopneas in REM sleep: (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) 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 Total number of hypopneas in REM sleep: (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) from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 25.2 ± 22.5 20.0 -2.0 187.0 293 1,516
Male 783 23.1 ± 20.7 18.0 -2.0 128.0 175 958
Female 440 28.9 ± 25.1 24.0 -2.0 187.0 118 558
Gender vs Total number of hypopneas in REM sleep: (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) from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 14.0 ± 16.8 8.0 -2.0 110.0 451 1,516
Male 699 13.2 ± 15.5 8.0 -2.0 94.0 259 958
Female 366 15.4 ± 19.1 8.0 -2.0 110.0 192 558
Gender vs Total number of hypopneas in REM sleep: (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) from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 16.2 ± 18.4 10.0 -2.0 112.0 637 1,516
Male 572 15.7 ± 17.9 10.0 -2.0 112.0 386 958
Female 307 17.0 ± 19.5 10.0 -2.0 86.0 251 558
Gender vs Total number of hypopneas in REM sleep: (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) 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 Total number of hypopneas in REM sleep: (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) from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 15.7 ± 17.3 10.0 -2.0 101.0 667 1,516
Male 552 14.6 ± 15.0 10.0 -2.0 79.0 406 958
Female 297 17.8 ± 20.8 10.0 -2.0 101.0 261 558
Race/Ethnicity vs Total number of hypopneas in REM sleep: (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) 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 Total number of hypopneas in REM sleep: (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) 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 Total number of hypopneas in REM sleep: (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) from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 25.2 ± 22.5 20.0 -2.0 187.0 293 1,516
Native American 20 29.6 ± 30.4 19.5 1.0 128.0 8 28
Asian 73 19.8 ± 18.6 15.0 0.0 88.0 16 89
Black 120 27.0 ± 24.7 21.0 -2.0 114.0 52 172
Hispanic 84 28.8 ± 22.4 24.5 0.0 99.0 32 116
White 918 25.0 ± 22.3 20.0 -2.0 187.0 184 1,102
Other 8 20.0 ± 10.4 18.5 3.0 34.0 1 9
Race/Ethnicity vs Total number of hypopneas in REM sleep: (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) from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 14.0 ± 16.8 8.0 -2.0 110.0 451 1,516
Native American 17 17.4 ± 17.7 14.0 0.0 57.0 11 28
Asian 60 9.0 ± 11.2 4.0 -2.0 45.0 29 89
Black 97 13.9 ± 17.6 7.0 -2.0 105.0 75 172
Hispanic 72 15.4 ± 17.4 10.5 -2.0 87.0 44 116
White 814 14.2 ± 17.0 8.0 -2.0 110.0 288 1,102
Other 5 8.0 ± 9.8 3.0 1.0 25.0 4 9
Race/Ethnicity vs Total number of hypopneas in REM sleep: (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) from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 16.2 ± 18.4 10.0 -2.0 112.0 637 1,516
Native American 13 17.8 ± 17.9 10.0 0.0 51.0 15 28
Asian 49 12.2 ± 16.9 5.0 0.0 86.0 40 89
Black 77 16.4 ± 18.6 9.0 0.0 80.0 95 172
Hispanic 65 20.1 ± 21.1 13.0 0.0 84.0 51 116
White 672 16.1 ± 18.2 10.0 -2.0 112.0 430 1,102
Other 3 15.7 ± 19.4 6.0 3.0 38.0 6 9
Race/Ethnicity vs Total number of hypopneas in REM sleep: (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) 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 Total number of hypopneas in REM sleep: (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) from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 15.7 ± 17.3 10.0 -2.0 101.0 667 1,516
Native American 13 22.5 ± 19.0 19.0 1.0 74.0 15 28
Asian 50 10.5 ± 12.4 6.5 0.0 44.0 39 89
Black 75 14.2 ± 17.3 9.0 0.0 92.0 97 172
Hispanic 61 19.0 ± 17.9 15.0 0.0 70.0 55 116
White 647 15.8 ± 17.4 11.0 -2.0 101.0 455 1,102
Other 3 32.0 ± 28.2 39.0 1.0 56.0 6 9