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AVDROP4 - 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
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v0.4.1
sof
variables
Polysomnography
Oxygen Saturation
avdrop4
avdrop4
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avdrop3
avdrop5
Name
avdrop4
Label
Average oxygen desaturation (Rapid eye movement sleep (REM), Non-supine, >=4% oxygen desaturation)
Units
percent (%)
Type
numeric
Tags
left
other
prone
right
upright
Visit Number vs Average oxygen desaturation (Rapid eye movement sleep (REM), Non-supine, >=4% oxygen desaturation)
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 8
323
5.6
± 1.9
5.0
4.0
19.0
138
461
Age (categorical) vs Average oxygen desaturation (Rapid eye movement sleep (REM), Non-supine, >=4% oxygen desaturation)
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
319
5.6
± 1.7
5.0
4.0
19.0
136
455
75-84 years
225
5.5
± 1.5
5.0
4.0
16.0
100
325
85 years or older
94
5.8
± 2.1
5.0
4.0
19.0
36
130
Gender vs Average oxygen desaturation (Rapid eye movement sleep (REM), Non-supine, >=4% oxygen desaturation)
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
323
5.6
± 1.9
5.0
4.0
19.0
138
461
Female
323
5.6
± 1.9
5.0
4.0
19.0
138
461