Name

quhr

Label

PSG Quality Assessment: Signal Quality (hr)

Description

Overall quality of signal from heart rate (ECG) leads 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 (hr) vs Visit
Visit 5
Total 735
Signal good for <25% of sleep time 3
Signal good for 25-49% of sleep time 7
Signal good for 50-74% of sleep time 10
Signal good for 75-94% of sleep time 16
Signal good for >95% of sleep time 696
Unknown 3
PSG Quality Assessment: Signal Quality (hr) 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 1 - - - - 1 - - 3
Signal good for 25-49% of sleep time 1 1 - 3 - 1 - - - 6
Signal good for 50-74% of sleep time 2 2 - 2 2 1 - 1 - 10
Signal good for 75-94% of sleep time 4 2 1 1 3 - 1 1 1 14
Signal good for >95% of sleep time 56 106 61 91 141 82 55 29 1 622
Unknown - - - 1 2 - - - - 3
PSG Quality Assessment: Signal Quality (hr) vs Sex
Visit 5
Female Male Total
Total 406 329 735
Signal good for <25% of sleep time 3 - 3
Signal good for 25-49% of sleep time 5 2 7
Signal good for 50-74% of sleep time 6 4 10
Signal good for 75-94% of sleep time 6 10 16
Signal good for >95% of sleep time 383 313 696
Unknown 3 - 3
PSG Quality Assessment: Signal Quality (hr) vs Race
Visit 5
White Black Other Total
Total 304 409 22 735
Signal good for <25% of sleep time 1 1 1 3
Signal good for 25-49% of sleep time 4 2 1 7
Signal good for 50-74% of sleep time 3 7 - 10
Signal good for 75-94% of sleep time 5 11 - 16
Signal good for >95% of sleep time 289 387 20 696
Unknown 2 1 - 3