Name
quoxim
Label
PSG Quality Assessment (SHHS2): Signal Quality (oximetry)
Description
Overall quality of signal from oximeter during sleep as assessed by scorer.
Domain
sigqus2
- 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 for >95% of sleep time
Type
choices
Tags
PSG Quality Assessment (SHHS2): Signal Quality (oximetry) vs SHHS Visit Number
| Visit 1 | Visit 2 | CVD Outcomes | |
|---|---|---|---|
| Total | 5,804 | 4,080 | 5,042 |
| Signal good for <25% of sleep time | - | 1 | - |
| Signal good for 25-49% of sleep time | - | 2 | - |
| Signal good for 50-74% of sleep time | - | 4 | - |
| Signal good for 75-94% of sleep time | - | 64 | - |
| Signal good for >95% of sleep time | - | 2,580 | - |
| Unknown | 5,804 | 1,429 | 5,042 |
PSG Quality Assessment (SHHS2): 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 good for <25% of sleep time | - | - | - | - | - |
| Signal good for 25-49% of sleep time | - | - | - | - | - |
| Signal good for 50-74% of sleep time | - | - | - | - | - |
| Signal good for 75-94% of sleep time | - | - | - | - | - |
| Signal good for >95% of sleep time | - | - | - | - | - |
| Unknown | 1,451 | 1,451 | 1,451 | 1,451 | 5,804 |
PSG Quality Assessment (SHHS2): Signal Quality (oximetry) vs Gender
Visit 1
| Female | Male | Total | |
|---|---|---|---|
| Total | 3,039 | 2,765 | 5,804 |
| Signal good for <25% of sleep time | - | - | - |
| Signal good for 25-49% of sleep time | - | - | - |
| Signal good for 50-74% of sleep time | - | - | - |
| Signal good for 75-94% of sleep time | - | - | - |
| Signal good for >95% of sleep time | - | - | - |
| Unknown | 3,039 | 2,765 | 5,804 |
PSG Quality Assessment (SHHS2): Signal Quality (oximetry) vs Gender
Visit 2
| Female | Male | Total | |
|---|---|---|---|
| Total | 2,219 | 1,861 | 4,080 |
| Signal good for <25% of sleep time | 1 | - | 1 |
| Signal good for 25-49% of sleep time | 2 | - | 2 |
| Signal good for 50-74% of sleep time | 2 | 2 | 4 |
| Signal good for 75-94% of sleep time | 25 | 39 | 64 |
| Signal good for >95% of sleep time | 1,395 | 1,185 | 2,580 |
| Unknown | 794 | 635 | 1,429 |
PSG Quality Assessment (SHHS2): 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 good for <25% of sleep time | - | - | - | - | - | - | - |
| Signal good for 25-49% of sleep time | - | - | - | - | - | - | - |
| Signal good for 50-74% of sleep time | - | - | - | - | - | - | - |
| Signal good for 75-94% of sleep time | - | - | - | - | - | - | - |
| Signal good for >95% of sleep time | - | - | - | - | - | - | - |
| Unknown | 4,907 | 515 | 11 | 88 | 280 | 3 | 5,804 |
PSG Quality Assessment (SHHS2): 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 good for <25% of sleep time | 1 | - | - | - | - | - | 1 |
| Signal good for 25-49% of sleep time | 2 | - | - | - | - | - | 2 |
| Signal good for 50-74% of sleep time | 3 | - | - | - | 1 | - | 4 |
| Signal good for 75-94% of sleep time | 52 | 8 | - | - | 4 | - | 64 |
| Signal good for >95% of sleep time | 2,253 | 173 | 3 | 34 | 116 | 1 | 2,580 |
| Unknown | 1,276 | 75 | 5 | 14 | 59 | - | 1,429 |