Name
cannqual
Label
B8b. Cannula Flow (quality code)
Domain
signalquality
  • 1: <25% of estimated sleep time
  • 2: 25-49% of estimated sleep time
  • 3: 50-74% of estimated sleep time
  • 4: 75-94% of estimated sleep time
  • 5: Entire estimated sleep time (>95%)
Type
choices
B8b. Cannula Flow (quality code) vs A4b. Visit of Sleep Study
Visit 1 Visit 3
Total 3,012 2,332
<25% of estimated sleep time 184 171
25-49% of estimated sleep time 165 140
50-74% of estimated sleep time 357 249
75-94% of estimated sleep time 542 421
Entire estimated sleep time (>95%) 1,764 1,351
B8b. Cannula Flow (quality code) vs Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g
Visit 1
Non-Hispanic White Non-Hispanic Black Hispanic Asian Other Total
Total 1,842 359 557 112 142 3,012
<25% of estimated sleep time 96 30 35 9 14 184
25-49% of estimated sleep time 99 26 29 6 5 165
50-74% of estimated sleep time 204 49 72 12 20 357
75-94% of estimated sleep time 347 52 109 17 17 542
Entire estimated sleep time (>95%) 1,096 202 312 68 86 1,764
B8b. Cannula Flow (quality code) vs Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g
Visit 3
Non-Hispanic White Non-Hispanic Black Hispanic Asian Other Total
Total 1,494 247 397 84 110 2,332
<25% of estimated sleep time 90 21 35 10 15 171
25-49% of estimated sleep time 80 24 27 3 6 140
50-74% of estimated sleep time 157 32 36 12 12 249
75-94% of estimated sleep time 272 42 78 12 17 421
Entire estimated sleep time (>95%) 895 128 221 47 60 1,351