Name

quoxim

Label

PSG Quality Assessment: Signal Quality (oximetry)

Description

Overall quality of signal from oximeter 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 (oximetry) vs Visit
Visit 5
Total 735
Signal good for <25% of sleep time -
Signal good for 25-49% of sleep time 2
Signal good for 50-74% of sleep time 8
Signal good for 75-94% of sleep time 32
Signal good for >95% of sleep time 690
Unknown 3
PSG Quality Assessment: Signal Quality (oximetry) 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 - - - - - - - - - -
Signal good for 25-49% of sleep time - - - - 2 - - - - 2
Signal good for 50-74% of sleep time 4 1 - 1 1 1 - - - 8
Signal good for 75-94% of sleep time 10 3 1 2 5 2 3 1 - 27
Signal good for >95% of sleep time 50 108 61 94 138 81 54 30 2 618
Unknown - - - 1 2 - - - - 3
PSG Quality Assessment: Signal Quality (oximetry) vs Sex
Visit 5
Female Male Total
Total 406 329 735
Signal good for <25% of sleep time - - -
Signal good for 25-49% of sleep time 2 - 2
Signal good for 50-74% of sleep time 6 2 8
Signal good for 75-94% of sleep time 17 15 32
Signal good for >95% of sleep time 378 312 690
Unknown 3 - 3
PSG Quality Assessment: Signal Quality (oximetry) vs Race
Visit 5
White Black Other Total
Total 304 409 22 735
Signal good for <25% of sleep time - - - -
Signal good for 25-49% of sleep time 1 1 - 2
Signal good for 50-74% of sleep time 2 6 - 8
Signal good for 75-94% of sleep time 5 27 - 32
Signal good for >95% of sleep time 294 374 22 690
Unknown 2 1 - 3