airdur alpdel
Name
airqual
Label
PSG Quality Assessment (SHHS1): Signal Quality (airflow)
Description

Overall quality of signal from airflow sensor (thermistor) as assessed by scorer.

Domain
sigqus1
  • 1: Signal free from artifact < 2 hours
  • 2: Signal free from artifact 2-4 hours
  • 3: Signal free from artifact 4-6 hours
  • 4: Signal free from artifact >= 6 hours
Type
choices
Tags
Airqual
PSG Quality Assessment (SHHS1): Signal Quality (airflow) vs SHHS Visit Number
Visit 1 Visit 2 CVD Outcomes
Total 5,804 4,080 5,042
Signal free from artifact < 2 hours 245 - -
Signal free from artifact 2-4 hours 452 - -
Signal free from artifact 4-6 hours 1,804 - -
Signal free from artifact >= 6 hours 3,302 - -
Unknown 1 4,080 5,042
PSG Quality Assessment (SHHS1): Signal Quality (airflow) vs Age at SHHS1
Visit 1
39.0 to 55.0 years 55.0 to 63.0 years 63.0 to 72.0 years 72.0 to 100.0 years Total
Total 1,451 1,451 1,451 1,451 5,804
Signal free from artifact < 2 hours 64 53 59 69 245
Signal free from artifact 2-4 hours 111 89 120 132 452
Signal free from artifact 4-6 hours 472 455 417 460 1,804
Signal free from artifact >= 6 hours 803 854 855 790 3,302
Unknown 1 - - - 1
PSG Quality Assessment (SHHS1): Signal Quality (airflow) vs Gender
Visit 1
Female Male Total
Total 3,039 2,765 5,804
Signal free from artifact < 2 hours 130 115 245
Signal free from artifact 2-4 hours 244 208 452
Signal free from artifact 4-6 hours 936 868 1,804
Signal free from artifact >= 6 hours 1,728 1,574 3,302
Unknown 1 - 1
PSG Quality Assessment (SHHS1): Signal Quality (airflow) vs Gender
Visit 2
Female Male Total
Total 2,219 1,861 4,080
Signal free from artifact < 2 hours - - -
Signal free from artifact 2-4 hours - - -
Signal free from artifact 4-6 hours - - -
Signal free from artifact >= 6 hours - - -
Unknown 2,219 1,861 4,080
PSG Quality Assessment (SHHS1): Signal Quality (airflow) vs Race
Visit 1
white black native amer/alaskan asian/pacific islander hispanic/mex. amer other Total
Total 4,907 515 11 88 280 3 5,804
Signal free from artifact < 2 hours 205 26 - 3 11 - 245
Signal free from artifact 2-4 hours 374 52 1 5 19 1 452
Signal free from artifact 4-6 hours 1,515 185 2 21 80 1 1,804
Signal free from artifact >= 6 hours 2,812 252 8 59 170 1 3,302
Unknown 1 - - - - - 1
PSG Quality Assessment (SHHS1): Signal Quality (airflow) vs Race
Visit 2
white black native amer/alaskan asian/pacific islander hispanic/mex. amer other Total
Total 3,587 256 8 48 180 1 4,080
Signal free from artifact < 2 hours - - - - - - -
Signal free from artifact 2-4 hours - - - - - - -
Signal free from artifact 4-6 hours - - - - - - -
Signal free from artifact >= 6 hours - - - - - - -
Unknown 3,587 256 8 48 180 1 4,080