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STG2T1P - SOF Variables
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Study of Osteoporotic Fractures
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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
v0.8.0
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v0.6.0
sof
variables
Polysomnography (PSG)
Sleep Architecture
stg2t1p
stg2t1p
Overview
Graphs
Histogram
Age
Gender
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History
slptawp
stg34t2p
Name
stg2t1p
Label
Number of stage 2 to stage 1 shifts during sleep
Units
stage shifts
Type
numeric
Tags
non rapid
non-rapid eye movement
non rem
non-rem
nrem
Visit number vs Number of stage 2 to stage 1 shifts during sleep
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 8
461
0.1
± 0.4
0.0
0.0
3.0
-
461
Age (categorical) vs Number of stage 2 to stage 1 shifts during sleep
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
455
0.1
± 0.4
0.0
0.0
3.0
-
455
75-84 years
325
0.1
± 0.4
0.0
0.0
3.0
-
325
85 years or older
130
0.1
± 0.3
0.0
0.0
1.0
-
130
Gender vs Number of stage 2 to stage 1 shifts during sleep
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
461
0.1
± 0.4
0.0
0.0
3.0
-
461
Female
461
0.1
± 0.4
0.0
0.0
3.0
-
461