Name

quair

Label

PSG Quality Assessment: Signal Quality (airflow)

Description

Overall quality of signal from airflow sensor (thermistor) during sleep as assessed by scorer.

Domain
sigqus2
  • 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 for >95% of sleep time
Type
choices
PSG Quality Assessment: Signal Quality (airflow) vs Visit
Visit 5
Total 735
Signal good for <25% of sleep time 75
Signal good for 25-49% of sleep time 21
Signal good for 50-74% of sleep time 58
Signal good for 75-94% of sleep time 113
Signal good for >95% of sleep time 465
Unknown 3
PSG Quality Assessment: Signal Quality (airflow) vs Age at time of visit
Visit 5
5-14 yrs old 15-24 yrs old 25-34 yrs old 35-44 years 45-54 years 55-64 years 65-74 years 75-84 years 85 years or older Total
Total 64 112 62 98 148 84 57 31 2 658
Signal good for <25% of sleep time - 1 2 7 28 17 10 3 - 68
Signal good for 25-49% of sleep time 1 2 3 4 7 3 - - - 20
Signal good for 50-74% of sleep time 12 10 1 6 9 5 7 2 - 52
Signal good for 75-94% of sleep time 10 20 12 9 19 11 7 10 1 99
Signal good for >95% of sleep time 41 79 44 71 83 48 33 16 1 416
Unknown - - - 1 2 - - - - 3
PSG Quality Assessment: Signal Quality (airflow) vs Sex
Visit 5
Female Male Total
Total 406 329 735
Signal good for <25% of sleep time 23 52 75
Signal good for 25-49% of sleep time 13 8 21
Signal good for 50-74% of sleep time 33 25 58
Signal good for 75-94% of sleep time 61 52 113
Signal good for >95% of sleep time 273 192 465
Unknown 3 - 3
PSG Quality Assessment: Signal Quality (airflow) vs Race
Visit 5
White Black Other Total
Total 304 409 22 735
Signal good for <25% of sleep time 37 36 2 75
Signal good for 25-49% of sleep time 10 10 1 21
Signal good for 50-74% of sleep time 22 34 2 58
Signal good for 75-94% of sleep time 50 61 2 113
Signal good for >95% of sleep time 183 267 15 465
Unknown 2 1 - 3