Race/Ethnicity

Visit (Number) vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) 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 78.4 ± 13.0 81.1 15.2 98.6 293 1,516
CPAP Titration Visit (CPAP) 1,065 76.1 ± 14.3 79.1 0.0 98.3 451 1,516
Two Month Post-CPAP Neurocognitive Visit (2M) 879 81.7 ± 11.8 84.8 24.4 98.5 637 1,516
Four Month Post-CPAP Neurocognitive Visit (4M) - - - - - - 1,516 1,516
Six Month Post-CPAP Neurocognitive Visit (6M) 849 82.1 ± 12.0 84.8 18.2 98.9 667 1,516
Gender vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) 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 Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) 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 Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 78.4 ± 13.0 81.1 15.2 98.6 293 1,516
Male 783 78.2 ± 13.3 80.9 15.2 98.6 175 958
Female 440 78.7 ± 12.5 81.7 20.7 97.5 118 558
Gender vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 76.1 ± 14.3 79.1 0.0 98.3 451 1,516
Male 699 75.6 ± 14.9 79.0 0.0 98.3 259 958
Female 366 77.1 ± 13.1 79.2 5.6 97.7 192 558
Gender vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 81.7 ± 11.8 84.8 24.4 98.5 637 1,516
Male 572 81.3 ± 12.3 84.1 24.4 98.5 386 958
Female 307 82.6 ± 10.7 85.3 38.9 98.3 251 558
Gender vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) 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 Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 82.1 ± 12.0 84.8 18.2 98.9 667 1,516
Male 552 81.8 ± 12.5 84.7 18.2 98.9 406 958
Female 297 82.8 ± 11.0 85.4 33.4 98.3 261 558
Race/Ethnicity vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) 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 Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) 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 Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
Diagnostic Visit (DX)
N Mean StdDev Median Min Max Unknown Total
Total 1,223 78.4 ± 13.0 81.1 15.2 98.6 293 1,516
Native American 20 74.7 ± 14.4 76.4 51.3 95.9 8 28
Asian 73 80.7 ± 14.1 84.8 15.2 97.5 16 89
Black 120 80.5 ± 12.4 83.1 32.6 97.7 52 172
Hispanic 84 82.7 ± 10.1 84.0 41.6 97.0 32 116
White 918 77.6 ± 13.1 80.4 16.8 98.6 184 1,102
Other 8 75.4 ± 10.9 79.4 56.4 86.5 1 9
Race/Ethnicity vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
CPAP Titration Visit (CPAP)
N Mean StdDev Median Min Max Unknown Total
Total 1,065 76.1 ± 14.3 79.1 0.0 98.3 451 1,516
Native American 17 76.0 ± 11.6 81.9 56.7 90.7 11 28
Asian 60 78.0 ± 14.2 80.7 40.6 97.6 29 89
Black 97 78.3 ± 13.2 81.3 29.9 98.3 75 172
Hispanic 72 79.7 ± 13.8 82.6 36.6 98.0 44 116
White 814 75.4 ± 14.5 78.4 0.0 98.0 288 1,102
Other 5 78.4 ± 8.1 79.4 70.3 89.7 4 9
Race/Ethnicity vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
Two Month Post-CPAP Neurocognitive Visit (2M)
N Mean StdDev Median Min Max Unknown Total
Total 879 81.7 ± 11.8 84.8 24.4 98.5 637 1,516
Native American 13 81.6 ± 7.9 81.4 69.8 93.1 15 28
Asian 49 84.9 ± 10.5 88.3 55.4 98.5 40 89
Black 77 83.2 ± 11.5 85.6 41.2 98.1 95 172
Hispanic 65 85.1 ± 10.3 88.9 62.3 98.4 51 116
White 672 81.0 ± 12.0 83.9 24.4 98.2 430 1,102
Other 3 84.4 ± 2.9 85.5 81.1 86.5 6 9
Race/Ethnicity vs Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) 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 Sleep Efficiency: the ratio of total sleep duration (i.e., total sleep time) to in-bed period (i.e., time in bed) from type I polysomnography
Six Month Post-CPAP Neurocognitive Visit (6M)
N Mean StdDev Median Min Max Unknown Total
Total 849 82.1 ± 12.0 84.8 18.2 98.9 667 1,516
Native American 13 80.0 ± 12.8 84.4 47.2 91.7 15 28
Asian 50 84.0 ± 13.3 88.3 31.5 98.8 39 89
Black 75 81.8 ± 11.3 83.5 40.0 97.9 97 172
Hispanic 61 83.9 ± 11.7 86.4 41.1 97.4 55 116
White 647 81.9 ± 12.0 84.7 18.2 98.9 455 1,102
Other 3 87.1 ± 7.1 91.1 78.9 91.4 6 9