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NSRR
AI_REM - CFS Variables
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Cleveland Family Study
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Variables
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You are viewing variable information that is kept around for historical purposes only. The latest version
v0.7.0
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v0.3.0
cfs
variables
Polysomnography
Arousals
ai_rem
ai_rem
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History
ai_nrem
arnrembp
Name
ai_rem
Label
Arousal Index (REM)
Description
REM Arousal Index - total arousals in REM sleep per hours of REM sleep
Calculation
ai_rem
= 60 * (
arrembp
+
arremop
) /
minremp
Units
events per hour
Type
numeric
Tags
ai_rem
Visit vs Arousal Index (REM)
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
701
13.7
± 10.7
10.8
0.0
98.2
34
735
Age at time of visit vs Arousal Index (REM)
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
628
13.4
± 10.4
10.7
0.0
98.2
30
658
5-14 yrs old
62
7.1
± 4.2
6.3
0.0
20.3
2
64
15-24 yrs old
109
10.4
± 5.2
9.6
0.0
30.0
3
112
25-34 yrs old
62
14.0
± 14.0
10.6
1.4
98.2
-
62
35-44 years
94
15.8
± 12.5
12.8
0.0
86.1
4
98
45-54 years
140
14.2
± 9.8
12.6
0.0
49.8
8
148
55-64 years
79
15.4
± 10.5
13.6
0.0
53.7
5
84
65-74 years
54
15.7
± 10.5
11.8
2.8
47.8
3
57
75-84 years
26
14.3
± 12.4
11.7
0.0
40.4
5
31
85 years or older
2
20.9
± 24.5
20.9
3.5
38.2
-
2
Sex vs Arousal Index (REM)
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
701
13.7
± 10.7
10.8
0.0
98.2
34
735
Female
385
12.4
± 8.4
10.4
0.0
60.0
21
406
Male
316
15.3
± 12.9
11.4
0.0
98.2
13
329
Race vs Arousal Index (REM)
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
701
13.7
± 10.7
10.8
0.0
98.2
34
735
White
288
13.8
± 10.8
11.2
0.0
86.1
16
304
Black
391
13.7
± 10.9
10.5
0.0
98.2
18
409
Other
22
11.4
± 7.3
10.1
1.8
30.8
-
22