Name

queeg1

Label

PSG Quality Assessment: Signal Quality (EEG 1)

Description

Overall quality of signal from EEG1 lead 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 (EEG 1) vs Visit
Visit 5
Total 735
Signal good for <25% of sleep time 4
Signal good for 25-49% of sleep time 10
Signal good for 50-74% of sleep time 27
Signal good for 75-94% of sleep time 88
Signal good for >95% of sleep time 603
Unknown 3
PSG Quality Assessment: Signal Quality (EEG 1) 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 - 2 - 1 - - - 1 - 4
Signal good for 25-49% of sleep time 2 - - 2 - 1 1 1 - 7
Signal good for 50-74% of sleep time 1 1 4 5 8 4 2 1 - 26
Signal good for 75-94% of sleep time 4 14 5 15 20 6 6 4 - 74
Signal good for >95% of sleep time 57 95 53 74 118 73 48 24 2 544
Unknown - - - 1 2 - - - - 3
PSG Quality Assessment: Signal Quality (EEG 1) vs Sex
Visit 5
Female Male Total
Total 406 329 735
Signal good for <25% of sleep time 3 1 4
Signal good for 25-49% of sleep time 8 2 10
Signal good for 50-74% of sleep time 14 13 27
Signal good for 75-94% of sleep time 45 43 88
Signal good for >95% of sleep time 333 270 603
Unknown 3 - 3
PSG Quality Assessment: Signal Quality (EEG 1) vs Race
Visit 5
White Black Other Total
Total 304 409 22 735
Signal good for <25% of sleep time 2 2 - 4
Signal good for 25-49% of sleep time 6 4 - 10
Signal good for 50-74% of sleep time 12 15 - 27
Signal good for 75-94% of sleep time 35 52 1 88
Signal good for >95% of sleep time 247 335 21 603
Unknown 2 1 - 3