We use cookies and other tools to enhance your experience on our website and to analyze our web traffic.
For more information about these cookies and the data collected, please refer to our
Privacy Policy
.
NSRR
CENT_OBS_RATIOA - CFS Variables
About
Datasets
Tools
Forum
Blog
Share data
Webinars
Search
Sign in
Sign up
Cleveland Family Study
Docs
Files
Variables
Old Version
You are viewing variable information that is kept around for historical purposes only. The latest version
v0.7.0
is
available here
.
v0.3.0
cfs
variables
Polysomnography
Respiratory Events
Indexes
cent_obs_ratioa
cent_obs_ratioa
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
cent_obs_ratio
hrtdur
Name
cent_obs_ratioa
Label
Central/Obstructive Apnea ratio at all desaturations or with arousal
Calculation
cent_obs_ratioa
= (
carba
+
caroa
+
canba
+
canoa
) / (
oarba
+
oaroa
+
oanba
+
oanoa
)
Type
numeric
Tags
icsd
Visit vs Central/Obstructive Apnea ratio at all desaturations or with arousal
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 5
307
0.1
± 0.4
0.0
0.0
4.0
428
735
Age at time of visit vs Central/Obstructive Apnea ratio at all desaturations or with arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
272
0.2
± 0.4
0.0
0.0
4.0
386
658
5-14 yrs old
11
0.5
± 0.8
0.0
0.0
2.0
53
64
15-24 yrs old
22
0.2
± 0.4
0.0
0.0
1.0
90
112
25-34 yrs old
21
0.2
± 0.3
0.01
0.0
1.0
41
62
35-44 years
53
0.07
± 0.2
0.0
0.0
1.0
45
98
45-54 years
65
0.08
± 0.2
0.0
0.0
1.0
83
148
55-64 years
44
0.2
± 0.7
0.0
0.0
4.0
40
84
65-74 years
33
0.1
± 0.4
0.0
0.0
2.2
24
57
75-84 years
21
0.1
± 0.4
0.0
0.0
1.5
10
31
85 years or older
2
1.8
± 0.1
1.8
1.7
1.9
-
2
Sex vs Central/Obstructive Apnea ratio at all desaturations or with arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
307
0.1
± 0.4
0.0
0.0
4.0
428
735
Female
150
0.1
± 0.4
0.0
0.0
2.0
256
406
Male
157
0.2
± 0.5
0.0
0.0
4.0
172
329
Race vs Central/Obstructive Apnea ratio at all desaturations or with arousal
Visit 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
307
0.1
± 0.4
0.0
0.0
4.0
428
735
White
132
0.2
± 0.5
0.0
0.0
4.0
172
304
Black
173
0.1
± 0.4
0.0
0.0
2.2
236
409
Other
2
0.07
± 0.1
0.07
0.0
0.1
20
22