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Race/Ethnicity

Visit (Number) vs Percentage of REM sleep among total sleep duration 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 17.6 ± 7.1 17.7 0.0 53.0 293 1,516
CPAP Titration Visit (CPAP) 1,065 17.0 ± 8.0 17.1 -2.0 48.7 451 1,516
Two Month Post-CPAP Neurocognitive Visit (2M) 879 19.3 ± 7.0 19.5 0.0 43.0 637 1,516
Four Month Post-CPAP Neurocognitive Visit (4M) - - - - - - 1,516 1,516
Six Month Post-CPAP Neurocognitive Visit (6M) 849 19.5 ± 7.2 19.9 0.0 40.6 667 1,516
Gender vs Percentage of REM sleep among total sleep duration 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 Percentage of REM sleep among total sleep duration 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 Percentage of REM sleep among total sleep duration from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 17.6 ± 7.1 17.7 0.0 53.0 293 1,516
Male 783 17.6 ± 7.1 17.7 0.0 40.4 175 958
Female 440 17.5 ± 7.1 17.9 0.0 53.0 118 558
Gender vs Percentage of REM sleep among total sleep duration from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 17.0 ± 8.0 17.1 -2.0 48.7 451 1,516
Male 699 16.9 ± 8.2 16.8 -2.0 48.7 259 958
Female 366 17.3 ± 7.6 17.3 0.0 40.2 192 558
Gender vs Percentage of REM sleep among total sleep duration from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 19.3 ± 7.0 19.5 0.0 43.0 637 1,516
Male 572 19.4 ± 7.1 19.5 0.0 43.0 386 958
Female 307 19.1 ± 6.8 19.4 0.0 39.3 251 558
Gender vs Percentage of REM sleep among total sleep duration 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 Percentage of REM sleep among total sleep duration from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 19.5 ± 7.2 19.9 0.0 40.6 667 1,516
Male 552 19.3 ± 7.0 19.8 0.0 40.6 406 958
Female 297 19.9 ± 7.6 19.9 0.0 39.5 261 558
Race/Ethnicity vs Percentage of REM sleep among total sleep duration 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 Percentage of REM sleep among total sleep duration 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 Percentage of REM sleep among total sleep duration from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 17.6 ± 7.1 17.7 0.0 53.0 293 1,516
Native American 20 19.0 ± 7.2 18.9 4.7 32.7 8 28
Asian 73 17.1 ± 6.6 19.1 2.2 36.5 16 89
Black 120 17.8 ± 8.1 17.8 0.0 36.3 52 172
Hispanic 84 20.4 ± 5.6 20.3 9.0 32.1 32 116
White 918 17.3 ± 7.1 17.4 0.0 53.0 184 1,102
Other 8 18.2 ± 6.0 18.3 10.0 27.1 1 9
Race/Ethnicity vs Percentage of REM sleep among total sleep duration from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 17.0 ± 8.0 17.1 -2.0 48.7 451 1,516
Native American 17 17.7 ± 6.1 16.3 6.4 29.5 11 28
Asian 60 15.1 ± 7.1 15.4 0.0 34.2 29 89
Black 97 18.4 ± 7.8 18.3 0.0 40.2 75 172
Hispanic 72 17.9 ± 7.3 17.6 0.0 41.4 44 116
White 814 16.9 ± 8.1 17.0 -2.0 48.7 288 1,102
Other 5 18.6 ± 9.0 21.7 5.1 26.9 4 9
Race/Ethnicity vs Percentage of REM sleep among total sleep duration from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 19.3 ± 7.0 19.5 0.0 43.0 637 1,516
Native American 13 20.6 ± 6.9 19.1 9.9 39.4 15 28
Asian 49 17.7 ± 5.3 18.7 6.9 29.8 40 89
Black 77 20.2 ± 7.9 19.6 4.0 43.0 95 172
Hispanic 65 21.0 ± 6.6 20.8 5.3 36.2 51 116
White 672 19.1 ± 7.0 19.4 0.0 39.3 430 1,102
Other 3 16.8 ± 3.0 17.3 13.6 19.5 6 9
Race/Ethnicity vs Percentage of REM sleep among total sleep duration 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 Percentage of REM sleep among total sleep duration from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 19.5 ± 7.2 19.9 0.0 40.6 667 1,516
Native American 13 20.7 ± 5.6 22.3 10.0 30.3 15 28
Asian 50 18.7 ± 5.7 19.0 6.9 29.9 39 89
Black 75 20.8 ± 7.8 21.8 0.3 35.7 97 172
Hispanic 61 21.0 ± 7.0 21.0 3.7 38.4 55 116
White 647 19.3 ± 7.3 19.7 0.0 40.6 455 1,102
Other 3 16.7 ± 9.2 21.0 6.1 23.0 6 9