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NSRR
AHI_A0H4A - SOF Variables
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Study of Osteoporotic Fractures
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You are viewing variable information that is kept around for historical purposes only. The latest version
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Polysomnography
Respiratory Events
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ahi_a0h4a
ahi_a0h4a
Overview
Graphs
Histogram
Age
Gender
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History
ahi_a0h4
ahi_c0h3
Name
ahi_a0h4a
Label
AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
Calculation
ahi_a0h4a
= 60 * (
hremba4
+
hroa4
+
hnrba4
+
hnroa4
+
carba
+
caroa
+
canba
+
canoa
+
oarba
+
oaroa
+
oanba
+
oanoa
) /
slpprdp
Units
events per hour
Type
numeric
Visit Number vs AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 8
461
12.3
± 12.0
8.4
0.0
73.8
-
461
Age (categorical) vs AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
455
12.2
± 11.6
8.4
0.0
72.5
-
455
75-84 years
325
11.4
± 10.8
8.2
0.1
72.5
-
325
85 years or older
130
14.2
± 13.0
9.9
0.0
66.8
-
130
Gender vs AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
461
12.3
± 12.0
8.4
0.0
73.8
-
461
Female
461
12.3
± 12.0
8.4
0.0
73.8
-
461