oximdur period
Name
oximqual
Label
PSG Quality Assessment (SHHS1): Signal Quality (oximetry)
Description

Overall quality of signal from oximeter 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
Oximqual
PSG Quality Assessment (SHHS1): Signal Quality (oximetry) vs SHHS Visit Number
Visit 1 Visit 2 CVD Outcomes
Total 5,804 4,080 5,042
Signal free from artifact < 2 hours 3 - -
Signal free from artifact 2-4 hours 4 - -
Signal free from artifact 4-6 hours 623 - -
Signal free from artifact >= 6 hours 5,174 - -
Unknown - 4,080 5,042
PSG Quality Assessment (SHHS1): Signal Quality (oximetry) 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 - - 1 2 3
Signal free from artifact 2-4 hours 1 1 - 2 4
Signal free from artifact 4-6 hours 154 151 159 159 623
Signal free from artifact >= 6 hours 1,296 1,299 1,291 1,288 5,174
PSG Quality Assessment (SHHS1): Signal Quality (oximetry) vs Gender
Visit 1
Female Male Total
Total 3,039 2,765 5,804
Signal free from artifact < 2 hours 1 2 3
Signal free from artifact 2-4 hours 2 2 4
Signal free from artifact 4-6 hours 305 318 623
Signal free from artifact >= 6 hours 2,731 2,443 5,174
PSG Quality Assessment (SHHS1): Signal Quality (oximetry) 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 (oximetry) 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 3 - - - - - 3
Signal free from artifact 2-4 hours 4 - - - - - 4
Signal free from artifact 4-6 hours 504 82 1 11 24 1 623
Signal free from artifact >= 6 hours 4,396 433 10 77 256 2 5,174
PSG Quality Assessment (SHHS1): Signal Quality (oximetry) 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