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NSRR
RDI4PA - 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
.
v0.2.1
cfs
variables
Polysomnography
Respiratory Events
Indexes
rdi4pa
rdi4pa
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
rdi3ps
rdi4pns
Name
rdi4pa
Label
Overall 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
ahi
rdi
rdi4pa
Visit vs Overall RDI at 4% oxygen desaturation or arousal
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
724
11.7
± 18.5
4.0
0.0
116.7
11
735
Age at time of visit vs Overall RDI at 4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
649
11.6
± 18.1
4.1
0.0
116.7
9
658
5-14 yrs old
63
1.3
± 3.4
0.5
0.0
26.2
1
64
15-24 yrs old
111
2.9
± 4.9
1.4
0.0
41.3
1
112
25-34 yrs old
62
11.7
± 22.7
3.0
0.1
115.6
-
62
35-44 years
95
14.2
± 21.1
5.6
0.0
116.7
3
98
45-54 years
145
13.6
± 19.3
6.7
0.2
105.3
3
148
55-64 years
83
15.2
± 17.8
9.0
0.2
99.8
1
84
65-74 years
57
18.4
± 17.1
13.1
0.7
60.3
-
57
75-84 years
31
21.9
± 20.8
15.9
0.7
82.1
-
31
85 years or older
2
34.4
± 29.5
34.4
13.6
55.2
-
2
Sex vs Overall RDI at 4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
724
11.7
± 18.5
4.0
0.0
116.7
11
735
Female
399
8.4
± 13.7
3.1
0.0
101.7
7
406
Male
325
15.7
± 22.3
6.0
0.0
116.7
4
329
Race vs Overall RDI at 4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
724
11.7
± 18.5
4.0
0.0
116.7
11
735
White
300
11.7
± 18.6
3.8
0.0
116.7
4
304
Black
402
12.1
± 18.7
4.1
0.0
115.6
7
409
Other
22
3.9
± 7.7
1.2
0.0
36.5
-
22