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RDI4PA - SHHS Variables
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You are viewing variable information that is kept around for historical purposes only. The latest version
v0.20.0
is
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v0.13.2
shhs
variables
Measurements
Polysomnography
Respiratory Events
Indexes
rdi4pa
rdi4pa
Overview
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Age
Gender
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History
rdi3ps
rdi4pns
Name
rdi4pa
Label
Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Calculation
rdi4pa
= 60 * (
hremba4
+
hroa4
+
hnrba4
+
hnroa4
+
carba4
+
caroa4
+
canba4
+
canoa4
+
oarba4
+
oaroa4
+
oanba4
+
oanoa4
) /
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 >=4% oxygen desaturation or arousal
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
5,642
13.6
± 13.6
9.3
0.0
118.9
162
5,804
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
2,613
13.8
± 14.1
9.2
0.0
117.6
1,467
4,080
CVD Outcomes
-
-
-
-
-
-
-
-
Age at Sleep Heart Health Study Visit One (SHHS1) vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,642
13.6
± 13.6
9.3
0.0
118.9
162
5,804
35-44 years
336
9.2
± 12.4
5.3
0.2
93.7
6
342
45-54 years
999
10.9
± 13.0
7.0
0.0
118.9
18
1,017
55-64 years
1,734
13.7
± 13.9
9.1
0.0
100.9
35
1,769
65-74 years
1,572
14.9
± 13.8
10.9
0.0
115.3
45
1,617
75-84 years
907
15.2
± 12.8
11.5
0.2
78.6
48
955
85 years or older
94
17.5
± 15.3
12.2
0.0
77.4
10
104
Gender vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,642
13.6
± 13.6
9.3
0.0
118.9
162
5,804
Male
2,691
17.3
± 15.1
13.1
0.0
118.9
74
2,765
Female
2,951
10.2
± 11.0
6.9
0.0
101.5
88
3,039
Gender vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,613
13.8
± 14.1
9.2
0.0
117.6
1,467
4,080
Male
1,200
17.5
± 15.5
12.8
0.0
117.6
661
1,861
Female
1,413
10.6
± 11.9
7.0
0.0
95.0
806
2,219
Race vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
5,642
13.6
± 13.6
9.3
0.0
118.9
162
5,804
White
4,785
13.8
± 13.5
9.5
0.0
118.9
122
4,907
Black
477
13.6
± 15.5
8.4
0.1
112.9
38
515
Other
380
11.2
± 12.1
7.4
0.2
79.9
2
382
Race vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,613
13.8
± 14.1
9.2
0.0
117.6
1,467
4,080
White
2,280
13.9
± 14.1
9.4
0.0
117.6
1,307
3,587
Black
174
13.8
± 14.5
8.0
0.1
72.0
82
256
Other
159
11.8
± 13.4
8.0
0.0
92.9
78
237