Name
quecg5
Label
ECG Signal Quality 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
ECG Signal Quality from type II polysomnography vs MESA exam number
Exam 5
Total 2,237
Signal good for < 25% of sleep time 28
Signal good for 25-49% of sleep time 13
Signal good for 50-74% of sleep time 35
Signal good for 75-94% of sleep time 66
Signal good >= 95% of sleep time 1,915
Unknown 180
ECG Signal Quality 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 10 6 6 6 28
Signal good for 25-49% of sleep time 3 3 3 4 13
Signal good for 50-74% of sleep time 7 9 14 5 35
Signal good for 75-94% of sleep time 10 16 14 26 66
Signal good >= 95% of sleep time 495 498 473 449 1,915
Unknown 35 27 49 69 180
ECG Signal Quality 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 18 10 28
Signal good for 25-49% of sleep time 7 6 13
Signal good for 50-74% of sleep time 17 18 35
Signal good for 75-94% of sleep time 44 22 66
Signal good >= 95% of sleep time 1,017 898 1,915
Unknown 95 85 180
ECG Signal Quality 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 9 5 7 7 28
Signal good for 25-49% of sleep time 4 1 5 3 13
Signal good for 50-74% of sleep time 14 2 13 6 35
Signal good for 75-94% of sleep time 14 13 27 12 66
Signal good >= 95% of sleep time 702 229 521 463 1,915
Unknown 87 15 43 35 180