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OARDROP2 - 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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v0.4.1
sof
variables
Polysomnography
Respiratory Events
Apnea
Obstructive
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Overview
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Age
Gender
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History
oardrop
oardrop3
Name
oardrop2
Label
Obstructive apnea per hour (Rapid eye movement sleep (REM), Non-supine, >=2% oxygen desaturation)
Units
events per hour (h)
Type
numeric
Tags
left
other
prone
right
upright
Visit Number vs Obstructive apnea per hour (Rapid eye movement sleep (REM), Non-supine, >=2% oxygen desaturation)
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 8
461
3.3
± 10.3
0.0
0.0
120.0
-
461
Age (categorical) vs Obstructive apnea per hour (Rapid eye movement sleep (REM), Non-supine, >=2% oxygen desaturation)
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
455
3.4
± 10.3
0.0
0.0
120.0
-
455
75-84 years
325
3.3
± 10.5
0.0
0.0
120.0
-
325
85 years or older
130
3.4
± 10.0
0.0
0.0
70.0
-
130
Gender vs Obstructive apnea per hour (Rapid eye movement sleep (REM), Non-supine, >=2% oxygen desaturation)
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
461
3.3
± 10.3
0.0
0.0
120.0
-
461
Female
461
3.3
± 10.3
0.0
0.0
120.0
-
461