Histogram

Visit vs Total duration of REM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 2,911 68.6 ± 29.5 69.0 0.0 190.0 - 2,911
Visit 2 1,026 65.5 ± 30.3 65.0 0.0 181.0 1,885 2,911
Age at Sleep Visit 1 vs Total duration of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 68.6 ± 29.5 69.0 0.0 190.0 - 2,911
67.0 to 72.0 years 728 72.7 ± 28.7 73.0 0.0 177.0 - 728
72.0 to 76.0 years 728 70.9 ± 28.7 71.0 0.0 163.0 - 728
76.0 to 80.0 years 728 67.3 ± 30.0 69.0 0.0 190.0 - 728
80.0 to 90.0 years 727 63.6 ± 29.7 63.0 0.0 155.0 - 727
Gender vs Total duration of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 68.6 ± 29.5 69.0 0.0 190.0 - 2,911
Female - - - - - - - -
Male 2,911 68.6 ± 29.5 69.0 0.0 190.0 - 2,911
Gender vs Total duration of REM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 65.5 ± 30.3 65.0 0.0 181.0 1,885 2,911
Female - - - - - - - -
Male 1,026 65.5 ± 30.3 65.0 0.0 181.0 1,885 2,911
Race Category vs Total duration of REM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 2,911 68.6 ± 29.5 69.0 0.0 190.0 - 2,911
White 2,651 68.2 ± 29.4 69.0 0.0 190.0 - 2,651
African American 99 73.2 ± 34.6 76.0 0.0 163.0 - 99
Asian 85 71.0 ± 24.4 73.0 23.0 145.0 - 85
Native Hawaiian or Other Pacific Islander 3 54.3 ± 16.6 52.0 39.0 72.0 - 3
American Indian or Alaskan Native 1 70.0 - 70.0 70.0 70.0 - 1
Multiracial 30 73.2 ± 28.1 74.5 15.0 129.0 - 30
Unknown 42 76.8 ± 29.2 79.5 13.0 127.0 - 42
Race Category vs Total duration of REM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 1,026 65.5 ± 30.3 65.0 0.0 181.0 1,885 2,911
White 896 65.7 ± 30.0 65.0 0.0 181.0 1,755 2,651
African American 41 61.0 ± 37.8 59.0 0.0 164.0 58 99
Asian 49 65.3 ± 30.0 66.0 0.0 127.0 36 85
Native Hawaiian or Other Pacific Islander 3 17.7 ± 29.7 1.0 0.0 52.0 - 3
American Indian or Alaskan Native 1 117.0 - 117.0 117.0 117.0 - 1
Multiracial 14 62.2 ± 23.8 68.5 11.0 93.0 16 30
Unknown 22 73.7 ± 28.3 71.0 19.0 137.0 20 42