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NSRR
TIMEST34 - CFS Variables
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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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v0.5.0
cfs
variables
Polysomnography
Sleep Architecture
timest34
timest34
Overview
Graphs
Histogram
Age
Gender
Race
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Related
History
timest2
tmremp
Name
timest34
Label
Time in Stage 3/4
Description
Total time scored as stage 3/4 rounded to nearest minute
Calculation
timest34
=
mnstg34p
Units
minutes
Type
numeric
Tags
timest34
Visit vs Time in Stage 3/4
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
711
78.2
± 54.7
72.0
0.0
354.0
24
735
Age at time of visit vs Time in Stage 3/4
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
638
78.2
± 55.2
72.0
0.0
354.0
20
658
5-14 yrs old
63
179.3
± 58.5
179.0
75.0
354.0
1
64
15-24 yrs old
110
101.2
± 38.4
100.0
18.0
247.0
2
112
25-34 yrs old
61
78.1
± 36.8
74.0
0.0
159.0
1
62
35-44 years
93
62.0
± 34.7
63.0
0.0
144.0
5
98
45-54 years
141
61.7
± 34.8
61.0
0.0
180.0
7
148
55-64 years
83
52.1
± 40.2
48.0
0.0
170.0
1
84
65-74 years
54
43.7
± 38.5
39.0
0.0
163.0
3
57
75-84 years
31
49.9
± 50.0
30.0
0.0
191.0
-
31
85 years or older
2
3.5
± 4.9
3.5
0.0
7.0
-
2
Sex vs Time in Stage 3/4
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
711
78.2
± 54.7
72.0
0.0
354.0
24
735
Female
398
85.4
± 49.3
79.0
0.0
354.0
8
406
Male
313
69.0
± 59.7
58.0
0.0
341.0
16
329
Race vs Time in Stage 3/4
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
711
78.2
± 54.7
72.0
0.0
354.0
24
735
White
296
81.0
± 54.2
76.5
0.0
354.0
8
304
Black
393
75.1
± 55.4
67.0
0.0
316.0
16
409
Other
22
95.3
± 45.3
91.0
30.0
206.0
-
22