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NSRR
AHI_A0H4A - CFS Variables
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Polysomnography
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ahi_a0h4a
ahi_a0h4a
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
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
Tags
icsd
Visit vs AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
732
10.3
± 15.2
3.8
0.0
94.3
3
735
Age at time of visit vs AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
655
10.2
± 14.9
3.8
0.0
94.3
3
658
5-14 yrs old
64
1.3
± 3.2
0.5
0.0
20.9
-
64
15-24 yrs old
112
2.7
± 4.7
1.4
0.0
39.2
-
112
25-34 yrs old
62
9.6
± 17.6
3.0
0.1
94.3
-
62
35-44 years
97
12.8
± 18.5
5.1
0.0
91.6
1
98
45-54 years
146
11.8
± 14.5
6.7
0.2
86.1
2
148
55-64 years
84
13.0
± 13.4
8.3
0.2
56.1
-
84
65-74 years
57
17.3
± 16.3
11.6
0.7
58.3
-
57
75-84 years
31
19.2
± 19.5
12.5
0.7
82.1
-
31
85 years or older
2
14.2
± 2.5
14.2
12.4
16.0
-
2
Sex vs AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
732
10.3
± 15.2
3.8
0.0
94.3
3
735
Female
403
7.6
± 11.7
3.0
0.0
76.5
3
406
Male
329
13.6
± 18.2
6.0
0.0
94.3
-
329
Race vs AHI 4% -- all apneas and hypopneas with >=4% oxygen desaturation or arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
732
10.3
± 15.2
3.8
0.0
94.3
3
735
White
302
10.1
± 14.8
3.6
0.0
94.3
2
304
Black
408
10.8
± 15.8
4.0
0.0
86.1
1
409
Other
22
3.8
± 7.5
1.0
0.0
35.6
-
22