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RDI0P - SHHS Variables
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Sleep Heart Health Study
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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
.
v0.13.0
shhs
variables
Measurements
Polysomnography
Respiratory Events
Indexes
rdi0p
rdi0p
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
oai0p
rdi3p
Name
rdi0p
Label
Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
Calculation
rdi0p
= 60 * (
hrembp
+
hrop
+
hnrbp
+
hnrop
+
carbp
+
carop
+
canbp
+
canop
+
oarbp
+
oarop
+
oanbp
+
oanop
) /
slpprdp
Units
events per hour
Type
numeric
Tags
non-rapid eye movement sleep
non-rem
nrem
rapid eye movement sleep
rem
Sleep Heart Health Study (SHHS) Visit Number vs Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
5,804
32.9
± 19.5
28.8
0.5
173.5
-
5,804
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
2,651
27.9
± 18.1
23.4
0.3
127.9
1,429
4,080
CVD Outcomes
-
-
-
-
-
-
-
-
Age at Sleep Heart Health Study Visit One (SHHS1) vs Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,804
32.9
± 19.5
28.8
0.5
173.5
-
5,804
35-44 years
342
26.8
± 18.6
21.8
0.8
106.1
-
342
45-54 years
1,017
28.4
± 17.9
24.6
0.5
130.8
-
1,017
55-64 years
1,769
33.1
± 19.6
28.8
1.7
126.6
-
1,769
65-74 years
1,617
35.2
± 20.5
31.0
0.5
173.5
-
1,617
75-84 years
955
35.3
± 18.0
32.7
2.0
97.9
-
955
85 years or older
104
36.0
± 19.1
33.1
3.2
84.4
-
104
Gender vs Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,804
32.9
± 19.5
28.8
0.5
173.5
-
5,804
Male
2,765
38.6
± 19.9
35.5
0.5
122.7
-
2,765
Female
3,039
27.8
± 17.5
23.9
0.5
173.5
-
3,039
Gender vs Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
27.9
± 18.1
23.4
0.3
127.9
1,429
4,080
Male
1,226
33.2
± 18.7
29.2
0.3
119.6
635
1,861
Female
1,425
23.4
± 16.3
19.1
0.4
127.9
794
2,219
Race vs Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,804
32.9
± 19.5
28.8
0.5
173.5
-
5,804
White
4,907
33.5
± 19.5
29.6
0.5
173.5
-
4,907
Black
515
30.0
± 19.8
24.9
0.5
126.6
-
515
Other
382
28.7
± 17.7
24.3
1.8
106.1
-
382
Race vs Overall Respiratory Disturbance Index (RDI) all oxygen desaturations
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
27.9
± 18.1
23.4
0.3
127.9
1,429
4,080
White
2,311
28.3
± 18.0
23.9
0.3
127.9
1,276
3,587
Black
181
27.3
± 19.8
20.5
0.4
100.7
75
256
Other
159
23.6
± 16.7
19.7
1.2
114.9
78
237