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NSRR
AHI_C0H4A - CFS Variables
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v0.3.0
cfs
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Polysomnography
Respiratory Events
Indexes
ahi_c0h4a
ahi_c0h4a
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
ahi_c0h4
ahi_o0h3
Name
ahi_c0h4a
Label
Central AHI 4% -- central apneas and hypopneas with >=4% oxygen desaturation or arousal
Calculation
ahi_c0h4a
= 60 * (
hremba4
+
hroa4
+
hnrba4
+
hnroa4
+
carba
+
caroa
+
canba
+
canoa
) /
slpprdp
Units
events per hour
Type
numeric
Tags
icsd
Visit vs Central AHI 4% -- central apneas and hypopneas with >=4% oxygen desaturation or arousal
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
732
8.6
± 12.7
3.7
0.0
93.2
3
735
Age at time of visit vs Central AHI 4% -- central apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
655
8.6
± 12.4
3.7
0.0
93.2
3
658
5-14 yrs old
64
1.2
± 3.0
0.5
0.0
20.7
-
64
15-24 yrs old
112
2.6
± 4.3
1.3
0.0
33.0
-
112
25-34 yrs old
62
7.6
± 14.4
2.9
0.1
93.2
-
62
35-44 years
97
11.2
± 15.9
5.0
0.0
72.1
1
98
45-54 years
146
10.3
± 12.8
6.1
0.2
86.1
2
148
55-64 years
84
10.5
± 10.0
8.0
0.2
52.4
-
84
65-74 years
57
14.8
± 14.2
8.8
0.7
53.9
-
57
75-84 years
31
14.0
± 14.6
10.2
0.7
72.6
-
31
85 years or older
2
11.5
± 0.4
11.5
11.2
11.8
-
2
Sex vs Central AHI 4% -- central apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
732
8.6
± 12.7
3.7
0.0
93.2
3
735
Female
403
6.9
± 10.3
2.9
0.0
73.0
3
406
Male
329
10.8
± 14.8
5.7
0.0
93.2
-
329
Race vs Central AHI 4% -- central apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
732
8.6
± 12.7
3.7
0.0
93.2
3
735
White
302
8.6
± 12.6
3.6
0.0
93.2
2
304
Black
408
8.9
± 12.9
3.8
0.0
86.1
1
409
Other
22
3.6
± 7.1
1.0
0.0
33.5
-
22