Name

prerdi

Label

Polysomnogram (PSG) Quality Assessment (Sleep Heart Health Study Visit One (SHHS1)): Preliminary Respiratory Disturbance Index (RDI)

Description

The Quality Assessment forms were completed by the scorer during preliminary review of the study, finalized after final scoring. Variable not used in Sleep Heart Health Study Visit 2 (SHHS2).

Units

events per hour

Type

numeric

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 1	5,804	14.0	± 14.7	9.3	0.0	157.3	-	5,804
Interim Follow-up Visit	-	-	-	-	-	-	-	-
Visit 2	-	-	-	-	-	-	-	-
CVD Outcomes	-	-	-	-	-	-	-	-

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	5,804	14.0	± 14.7	9.3	0.0	157.3	-	5,804
35-44 years	342	9.9	± 13.4	5.3	0.0	87.9	-	342
45-54 years	1,017	11.2	± 14.1	6.6	0.0	116.5	-	1,017
55-64 years	1,769	13.7	± 14.8	8.8	0.0	111.7	-	1,769
65-74 years	1,617	15.3	± 15.1	11.1	0.0	157.3	-	1,617
75-84 years	955	16.0	± 13.9	12.2	0.0	93.1	-	955
85 years or older	104	19.1	± 15.2	13.8	0.8	74.3	-	104

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	5,804	14.0	± 14.7	9.3	157.3	-	5,804
Male	2,765	17.7	± 15.9	13.2	116.5	-	2,765
Female	3,039	10.6	± 12.5	6.6	157.3	-	3,039

	N	Mean	StdDev	Median	Max	Unknown	Total
Total	5,804	14.0	± 14.7	9.3	157.3	-	5,804
White	4,907	14.1	± 14.6	9.5	157.3	-	4,907
Black	515	14.1	± 16.1	8.4	112.0	-	515
Other	382	11.6	± 12.7	7.4	70.2	-	382