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Pleth Signal Quality from type II polysomnography vs MESA exam number
Exam 5
Total 2,237
Signal good for < 25% of sleep time -
Signal good for 25-49% of sleep time 7
Signal good for 50-74% of sleep time 37
Signal good for 75-94% of sleep time 99
Signal good >= 95% of sleep time 1,914
Unknown 180
Pleth 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 - - - - -
Signal good for 25-49% of sleep time 2 3 2 - 7
Signal good for 50-74% of sleep time 6 6 14 11 37
Signal good for 75-94% of sleep time 34 18 23 24 99
Signal good >= 95% of sleep time 483 505 471 455 1,914
Unknown 35 27 49 69 180
Pleth 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 - - -
Signal good for 25-49% of sleep time 2 5 7
Signal good for 50-74% of sleep time 24 13 37
Signal good for 75-94% of sleep time 49 50 99
Signal good >= 95% of sleep time 1,028 886 1,914
Unknown 95 85 180
Pleth 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 - - - - -
Signal good for 25-49% of sleep time - - 4 3 7
Signal good for 50-74% of sleep time 9 2 19 7 37
Signal good for 75-94% of sleep time 31 10 36 22 99
Signal good >= 95% of sleep time 703 238 514 459 1,914
Unknown 87 15 43 35 180