Histogram

Acceptable cannula signal quality vs Visit
Visit 1 Visit 2
Total 2,911 2,911
< 25% of sleep time 312 142
25 - 49% of sleep 122 53
50 - 74% of sleep 268 77
75 - 94% of sleep 427 147
> 95% of sleep time 1,782 607
Unknown - 1,885
Acceptable cannula signal quality vs Age at Sleep Visit 1
Visit 1
67.0 to 72.0 years 72.0 to 76.0 years 76.0 to 80.0 years 80.0 to 90.0 years Total
Total 728 728 728 727 2,911
< 25% of sleep time 67 75 70 100 312
25 - 49% of sleep 27 32 33 30 122
50 - 74% of sleep 63 63 70 72 268
75 - 94% of sleep 110 89 120 108 427
> 95% of sleep time 461 469 435 417 1,782
Acceptable cannula signal quality vs Gender
Visit 1
Female Male Total
Total - 2,911 2,911
< 25% of sleep time - 312 312
25 - 49% of sleep - 122 122
50 - 74% of sleep - 268 268
75 - 94% of sleep - 427 427
> 95% of sleep time - 1,782 1,782
Acceptable cannula signal quality vs Gender
Visit 2
Female Male Total
Total - 2,911 2,911
< 25% of sleep time - 142 142
25 - 49% of sleep - 53 53
50 - 74% of sleep - 77 77
75 - 94% of sleep - 147 147
> 95% of sleep time - 607 607
Unknown - 1,885 1,885
Acceptable cannula signal quality vs Race Category
Visit 1
White African American Asian Native Hawaiian or Other Pacific Islander American Indian or Alaskan Native Multiracial Unknown Total
Total 2,651 99 85 3 1 30 42 2,911
< 25% of sleep time 286 7 8 1 - 4 6 312
25 - 49% of sleep 116 3 2 - - - 1 122
50 - 74% of sleep 245 11 5 - - 4 3 268
75 - 94% of sleep 391 21 7 - 1 3 4 427
> 95% of sleep time 1,613 57 63 2 - 19 28 1,782
Acceptable cannula signal quality vs Race Category
Visit 2
White African American Asian Native Hawaiian or Other Pacific Islander American Indian or Alaskan Native Multiracial Unknown Total
Total 2,651 99 85 3 1 30 42 2,911
< 25% of sleep time 124 9 4 - - 2 3 142
25 - 49% of sleep 51 1 1 - - - - 53
50 - 74% of sleep 73 1 1 - - - 2 77
75 - 94% of sleep 127 7 6 - - 4 3 147
> 95% of sleep time 521 23 37 3 1 8 14 607
Unknown 1,755 58 36 - - 16 20 1,885