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NSRR
RDIREM4P - CFS Variables
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Variables
Old Version
You are viewing variable information that is kept around for historical purposes only. The latest version
v0.7.0
is
available here
.
v0.1.1
cfs
variables
Polysomnography
Respiratory Events
Indexes
rdirem4p
rdirem4p
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
rdirem2p
rdirem5p
Name
rdirem4p
Label
Overall RDI (REM) at 4% oxygen desaturation
Calculation
rdirem4p
= 60 * (
hrembp4
+
hrop4
+
carbp4
+
carop4
+
oarbp4
+
oarop4
) /
minremp
Units
events per hour
Type
numeric
Tags
ahi
rdi
rdirem4p
Visit vs Overall RDI (REM) at 4% oxygen desaturation
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
701
12.6
± 19.3
3.0
0.0
104.7
34
735
Age at time of visit vs Overall RDI (REM) at 4% oxygen desaturation
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
628
12.6
± 19.2
3.0
0.0
104.7
30
658
5-14 yrs old
62
2.6
± 7.8
0.9
0.0
54.5
2
64
15-24 yrs old
109
2.4
± 4.8
0.8
0.0
36.5
3
112
25-34 yrs old
62
10.8
± 21.6
2.0
0.0
92.1
-
62
35-44 years
94
15.5
± 22.6
5.3
0.0
92.5
4
98
45-54 years
140
17.9
± 21.6
8.2
0.0
104.7
8
148
55-64 years
79
16.2
± 16.3
10.3
0.0
66.9
5
84
65-74 years
54
18.6
± 19.9
7.9
0.0
66.4
3
57
75-84 years
26
21.3
± 24.5
12.9
0.0
103.6
5
31
85 years or older
2
10.9
± 15.4
10.9
0.0
21.8
-
2
Sex vs Overall RDI (REM) at 4% oxygen desaturation
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
701
12.6
± 19.3
3.0
0.0
104.7
34
735
Female
385
10.7
± 16.9
2.5
0.0
104.7
21
406
Male
316
14.9
± 21.7
4.0
0.0
103.6
13
329
Race vs Overall RDI (REM) at 4% oxygen desaturation
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
701
12.6
± 19.3
3.0
0.0
104.7
34
735
White
288
10.8
± 17.4
2.6
0.0
94.5
16
304
Black
391
14.4
± 20.7
4.1
0.0
104.7
18
409
Other
22
4.2
± 11.2
1.0
0.0
51.7
-
22