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MXDROP5 - 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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v0.4.2
sof
variables
Polysomnography (PSG)
Oxygen Saturation (SaO2)
mxdrop5
mxdrop5
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mxdrop4
mxsao2nh
Name
mxdrop5
Label
Maximum oxygen desaturation (Rapid eye movement sleep (REM), non-supine, >= 5% oxygen desaturation)
Units
percent (%)
Type
numeric
Tags
left
other
prone
right
upright
Visit number vs Maximum oxygen desaturation (Rapid eye movement sleep (REM), non-supine, >= 5% oxygen desaturation)
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 8
284
9.2
± 4.1
8.0
5.0
29.0
177
461
Age (categorical) vs Maximum oxygen desaturation (Rapid eye movement sleep (REM), non-supine, >= 5% oxygen desaturation)
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
281
9.1
± 4.1
8.0
5.0
29.0
174
455
75-84 years
198
9.1
± 3.8
8.0
5.0
27.0
127
325
85 years or older
83
9.2
± 4.7
8.0
5.0
29.0
47
130
Gender vs Maximum oxygen desaturation (Rapid eye movement sleep (REM), non-supine, >= 5% oxygen desaturation)
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
284
9.2
± 4.1
8.0
5.0
29.0
177
461
Female
284
9.2
± 4.1
8.0
5.0
29.0
177
461