We use cookies and other tools to enhance your experience on our website and to analyze our web traffic.
For more information about these cookies and the data collected, please refer to our
Privacy Policy
.
NSRR
RDI2P - SHHS Variables
About
Datasets
Tools
Forum
Blog
Share data
Webinars
Search
Sign in
Sign up
Sleep Heart Health Study
Docs
Files
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
.
v0.12.0
shhs
variables
Measurements
Polysomnography
Respiratory Events
Indexes
rdi2p
rdi2p
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
rdi0ps
rdi2pa
Name
rdi2p
Label
Overall Respiratory Disturbance Index (RDI) at >=2% oxygen desaturation
Calculation
rdi2p
= 60 * (
hrembp2
+
hrop2
+
hnrbp2
+
hnrop2
+
carbp2
+
carop2
+
canbp2
+
canop2
+
oarbp2
+
oarop2
+
oanbp2
+
oanop2
) /
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) at >=2% oxygen desaturation
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
5,804
21.7
± 17.3
17.0
0.0
161.8
-
5,804
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
2,651
22.7
± 17.5
17.9
0.0
119.2
1,429
4,080
CVD Outcomes
-
-
-
-
-
-
-
-
Age at Sleep Heart Health Study Visit One (SHHS1) vs Overall Respiratory Disturbance Index (RDI) at >=2% oxygen desaturation
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,804
21.7
± 17.3
17.0
0.0
161.8
-
5,804
35-44 years
342
15.8
± 16.2
10.7
0.0
95.8
-
342
45-54 years
1,017
17.7
± 16.2
13.2
0.0
121.6
-
1,017
55-64 years
1,769
21.6
± 17.6
16.5
0.2
123.9
-
1,769
65-74 years
1,617
23.8
± 17.8
19.6
0.3
161.8
-
1,617
75-84 years
955
24.1
± 16.1
20.7
0.0
95.6
-
955
85 years or older
104
26.5
± 17.7
21.2
0.9
80.4
-
104
Gender vs Overall Respiratory Disturbance Index (RDI) at >=2% oxygen desaturation
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,804
21.7
± 17.3
17.0
0.0
161.8
-
5,804
Male
2,765
26.7
± 18.0
22.7
0.3
117.5
-
2,765
Female
3,039
17.2
± 15.4
13.1
0.0
161.8
-
3,039
Gender vs Overall Respiratory Disturbance Index (RDI) at >=2% oxygen desaturation
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
22.7
± 17.5
17.9
0.0
119.2
1,429
4,080
Male
1,226
27.7
± 18.3
23.6
0.2
119.2
635
1,861
Female
1,425
18.4
± 15.6
14.3
0.0
118.4
794
2,219
Race vs Overall Respiratory Disturbance Index (RDI) at >=2% oxygen desaturation
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,804
21.7
± 17.3
17.0
0.0
161.8
-
5,804
White
4,907
22.1
± 17.3
17.6
0.0
161.8
-
4,907
Black
515
20.3
± 18.4
15.2
0.0
123.9
-
515
Other
382
18.2
± 15.4
14.0
0.0
75.7
-
382
Race vs Overall Respiratory Disturbance Index (RDI) at >=2% oxygen desaturation
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
22.7
± 17.5
17.9
0.0
119.2
1,429
4,080
White
2,311
23.0
± 17.5
18.3
0.0
119.2
1,276
3,587
Black
181
21.9
± 18.4
16.0
0.0
89.5
75
256
Other
159
18.9
± 16.2
15.8
0.2
100.4
78
237