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Variables

Old Version You are viewing variable information that is kept around for historical purposes only. The latest version v0.20.0 is available here.

Name

rdirem2p

Label

Overall RDI (REM) at 2% oxygen desaturation

Description

REM RDI at 2% oxygen desaturation [(Total number of apneas and hypopneas in REM sleep associated with >= 2% oxygen desaturation) / (hours of REM sleep)]

Calculation

rdirem2p = 60 * ( hrembp2 + hrop2 + carbp2 + carop2 + oarbp2 + oarop2 ) / minremp

Units

events per hour

Type

numeric

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 1	5,615	33.3	± 20.1	31.2	0.0	117.3	189	5,804
Visit 2	2,609	35.6	± 19.3	34.6	0.0	180.0	1,471	4,080
CVD Outcomes	-	-	-	-	-	-	5,042	5,042

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	5,615	33.3	± 20.1	31.2	117.3	189	5,804
39.0 to 55.0 years	1,412	29.4	± 20.6	26.4	109.3	39	1,451
55.0 to 63.0 years	1,419	33.7	± 20.4	30.9	117.3	32	1,451
63.0 to 72.0 years	1,413	35.6	± 20.2	33.5	117.2	38	1,451
72.0 to 100.0 years	1,371	34.7	± 18.4	33.6	95.5	80	1,451

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	5,615	33.3	± 20.1	31.2	117.3	189	5,804
Female	2,936	31.3	± 20.7	28.2	117.3	103	3,039
Male	2,679	35.5	± 19.1	33.9	109.3	86	2,765

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	2,609	35.6	± 19.3	34.6	180.0	1,471	4,080
Female	1,411	34.3	± 19.7	33.2	105.6	808	2,219
Male	1,198	37.1	± 18.8	35.5	180.0	663	1,861

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	5,615	33.3	± 20.1	31.2	0.0	117.3	189	5,804
white	4,767	33.5	± 19.7	31.4	0.0	117.3	140	4,907
black	468	33.8	± 22.7	31.4	0.0	106.7	47	515
native amer/alaskan	11	38.9	± 21.4	39.1	2.9	71.6	-	11
asian/pacific islander	88	25.8	± 21.2	20.4	0.0	88.6	-	88
hispanic/mex. amer	278	31.4	± 19.8	30.2	0.0	82.3	2	280
other	3	31.4	± 39.0	19.2	0.0	75.0	-	3

Sleep Heart Health Study