Name
quc45
Label
Cz-Oz Signal Quality-EEG Mismatched Variable Name And Label. Confirmed As "Cz-Oz" Signal from type II polysomnography
Domain
psgsignalquality
  • 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 >= 95% of sleep time
Type
choices
Cz-Oz Signal Quality-EEG Mismatched Variable Name And Label. Confirmed As "Cz-Oz" Signal from type II polysomnography vs MESA exam number
Exam 5
Total 2,237
Signal good for < 25% of sleep time 135
Signal good for 25-49% of sleep time 74
Signal good for 50-74% of sleep time 227
Signal good for 75-94% of sleep time 473
Signal good >= 95% of sleep time 1,148
Unknown 180
Cz-Oz Signal Quality-EEG Mismatched Variable Name And Label. Confirmed As "Cz-Oz" Signal from type II polysomnography vs Participant Age at MESA Sleep Visit
Exam 5
54.0 to 62.0 years 62.0 to 69.0 years 69.0 to 77.0 years 77.0 to 95.0 years Total
Total 560 559 559 559 2,237
Signal good for < 25% of sleep time 41 34 31 29 135
Signal good for 25-49% of sleep time 26 17 15 16 74
Signal good for 50-74% of sleep time 57 64 51 55 227
Signal good for 75-94% of sleep time 117 108 115 133 473
Signal good >= 95% of sleep time 284 309 298 257 1,148
Unknown 35 27 49 69 180
Cz-Oz Signal Quality-EEG Mismatched Variable Name And Label. Confirmed As "Cz-Oz" Signal from type II polysomnography vs Gender of the participant
Exam 5
Female Male Total
Total 1,198 1,039 2,237
Signal good for < 25% of sleep time 72 63 135
Signal good for 25-49% of sleep time 38 36 74
Signal good for 50-74% of sleep time 149 78 227
Signal good for 75-94% of sleep time 275 198 473
Signal good >= 95% of sleep time 569 579 1,148
Unknown 95 85 180
Cz-Oz Signal Quality-EEG Mismatched Variable Name And Label. Confirmed As "Cz-Oz" Signal from type II polysomnography vs Race/ethnicity of the participant
Exam 5
White, Caucasian Chinese American Black, African-American Hispanic Total
Total 830 265 616 526 2,237
Signal good for < 25% of sleep time 53 13 28 41 135
Signal good for 25-49% of sleep time 25 4 24 21 74
Signal good for 50-74% of sleep time 82 33 58 54 227
Signal good for 75-94% of sleep time 160 55 135 123 473
Signal good >= 95% of sleep time 423 145 328 252 1,148
Unknown 87 15 43 35 180