Name
phrnumds_d4
Label
Number of Desaturations: >= 4% oxygen desaturations / hour of sleep
Units
events per hour
Type
numeric
A4b. Visit of Sleep Study vs Number of Desaturations: >= 4% oxygen desaturations / hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 0.6 ± 1.5 0.2 0.0 32.3 - 3,012
Visit 3 2,332 1.2 ± 3.6 0.4 0.0 123.8 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Number of Desaturations: >= 4% oxygen desaturations / hour of sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,012 0.6 ± 1.5 0.2 0.0 32.3 - 3,012
Non-Hispanic White 1,842 0.5 ± 1.4 0.2 0.0 27.7 - 1,842
Non-Hispanic Black 359 0.9 ± 2.7 0.2 0.0 32.3 - 359
Hispanic 557 0.4 ± 0.8 0.1 0.0 6.7 - 557
Asian 112 0.6 ± 1.3 0.1 0.0 9.4 - 112
Other 142 0.6 ± 1.2 0.1 0.0 7.1 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Number of Desaturations: >= 4% oxygen desaturations / hour of sleep
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2,332 1.2 ± 3.6 0.4 0.0 123.8 - 2,332
Non-Hispanic White 1,494 1.2 ± 4.1 0.3 0.0 123.8 - 1,494
Non-Hispanic Black 247 1.7 ± 3.0 0.6 0.0 21.3 - 247
Hispanic 397 1.0 ± 2.1 0.3 0.0 17.0 - 397
Asian 84 1.3 ± 2.0 0.5 0.0 10.6 - 84
Other 110 1.4 ± 2.3 0.6 0.0 13.6 - 110