quhr rcrdtime
Name
quoxim
Label
Quality of the oximetry signal
Domain
sigqual2
  • 1: Less than 25% of time with artifact-free signal
  • 2: 25-49% of time with artifact-free signal
  • 3: 50-74% of time with artifact-free signal
  • 4: 75-94% of time with artifact-free signal
  • 5: Entire sleep time (at least 95%) artifact-free
Type
choices
Quality of the oximetry signal vs SHHS Visit Number
Visit 1 Interim Follow-up Visit Visit 2 CVD Outcomes
Total - - 4,080 -
Less than 25% of time with artifact-free signal - - 1 -
25-49% of time with artifact-free signal - - 2 -
50-74% of time with artifact-free signal - - 4 -
75-94% of time with artifact-free signal - - 64 -
Entire sleep time (at least 95%) artifact-free - - 2,580 -
Unknown - - 1,429 -
Quality of the oximetry signal vs Age at SHHS1
Visit 2
35-44 years 45-54 years 55-64 years 65-74 years 75-84 years 85 years or older Total
Total 184 707 1,321 1,200 624 44 4,080
Less than 25% of time with artifact-free signal - - 1 - - - 1
25-49% of time with artifact-free signal - - 2 - - - 2
50-74% of time with artifact-free signal 1 2 1 - - - 4
75-94% of time with artifact-free signal 5 20 18 17 4 - 64
Entire sleep time (at least 95%) artifact-free 130 476 830 767 356 21 2,580
Unknown 48 209 469 416 264 23 1,429
Quality of the oximetry signal vs Gender
Visit 2
Male Female Total
Total 1,861 2,219 4,080
Less than 25% of time with artifact-free signal - 1 1
25-49% of time with artifact-free signal - 2 2
50-74% of time with artifact-free signal 2 2 4
75-94% of time with artifact-free signal 39 25 64
Entire sleep time (at least 95%) artifact-free 1,185 1,395 2,580
Unknown 635 794 1,429
Quality of the oximetry signal vs Race
Visit 2
White Black Other Total
Total 3,587 256 237 4,080
Less than 25% of time with artifact-free signal 1 - - 1
25-49% of time with artifact-free signal 2 - - 2
50-74% of time with artifact-free signal 3 - 1 4
75-94% of time with artifact-free signal 52 8 4 64
Entire sleep time (at least 95%) artifact-free 2,253 173 154 2,580
Unknown 1,276 75 78 1,429