Name
quxflow5
Label
Cannula Flow Signal Quality from type II polysomnography
Domain
psgsignalquality
  • 1: Signal good for < 25% of sleep time
  • 2: Signal good for 25-49% of sleep time
  • 3: Signal good for 50-74% of sleep time
  • 4: Signal good for 75-94% of sleep time
  • 5: Signal good >= 95% of sleep time
Type
choices
Cannula Flow Signal Quality from type II polysomnography vs MESA exam number
Exam 5
Total 2,237
Signal good for < 25% of sleep time 73
Signal good for 25-49% of sleep time 52
Signal good for 50-74% of sleep time 276
Signal good for 75-94% of sleep time 285
Signal good >= 95% of sleep time 1,371
Unknown 180
Cannula Flow Signal Quality from type II polysomnography vs Participant Age at MESA Sleep Visit
Exam 5
54.0 to 62.0 years 62.0 to 69.0 years 69.0 to 77.0 years 77.0 to 95.0 years Total
Total 560 559 559 559 2,237
Signal good for < 25% of sleep time 12 13 20 28 73
Signal good for 25-49% of sleep time 9 6 21 16 52
Signal good for 50-74% of sleep time 66 67 69 74 276
Signal good for 75-94% of sleep time 72 69 70 74 285
Signal good >= 95% of sleep time 366 377 330 298 1,371
Unknown 35 27 49 69 180
Cannula Flow Signal Quality from type II polysomnography vs Gender of the participant
Exam 5
Female Male Total
Total 1,198 1,039 2,237
Signal good for < 25% of sleep time 35 38 73
Signal good for 25-49% of sleep time 25 27 52
Signal good for 50-74% of sleep time 141 135 276
Signal good for 75-94% of sleep time 169 116 285
Signal good >= 95% of sleep time 733 638 1,371
Unknown 95 85 180
Cannula Flow Signal Quality from type II polysomnography vs Race/ethnicity of the participant
Exam 5
White, Caucasian Chinese American Black, African-American Hispanic Total
Total 830 265 616 526 2,237
Signal good for < 25% of sleep time 23 8 18 24 73
Signal good for 25-49% of sleep time 12 8 18 14 52
Signal good for 50-74% of sleep time 82 45 66 83 276
Signal good for 75-94% of sleep time 119 36 66 64 285
Signal good >= 95% of sleep time 507 153 405 306 1,371
Unknown 87 15 43 35 180