Name

queeg2

Label

PSG Quality Assessment: Signal Quality (EEG 2)

Description

Overall quality of signal from EEG2 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 2) vs Visit
Visit 5
Total 735
Signal good for <25% of sleep time 5
Signal good for 25-49% of sleep time 11
Signal good for 50-74% of sleep time 29
Signal good for 75-94% of sleep time 81
Signal good for >95% of sleep time 606
Unknown 3
PSG Quality Assessment: Signal Quality (EEG 2) 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 - 3 - 1 1 - - - - 5
Signal good for 25-49% of sleep time 2 - 1 2 1 1 1 - - 8
Signal good for 50-74% of sleep time 1 1 6 4 8 4 2 1 - 27
Signal good for 75-94% of sleep time 4 12 3 12 20 6 7 4 1 69
Signal good for >95% of sleep time 57 96 52 78 116 73 47 26 1 546
Unknown - - - 1 2 - - - - 3
PSG Quality Assessment: Signal Quality (EEG 2) vs Sex
Visit 5
Female Male Total
Total 406 329 735
Signal good for <25% of sleep time 4 1 5
Signal good for 25-49% of sleep time 8 3 11
Signal good for 50-74% of sleep time 13 16 29
Signal good for 75-94% of sleep time 37 44 81
Signal good for >95% of sleep time 341 265 606
Unknown 3 - 3
PSG Quality Assessment: Signal Quality (EEG 2) vs Race
Visit 5
White Black Other Total
Total 304 409 22 735
Signal good for <25% of sleep time 2 3 - 5
Signal good for 25-49% of sleep time 5 6 - 11
Signal good for 50-74% of sleep time 11 18 - 29
Signal good for 75-94% of sleep time 33 45 3 81
Signal good for >95% of sleep time 251 336 19 606
Unknown 2 1 - 3