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NSRR
CENT_OBS_RATIO - MESA Variables
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Multi-Ethnic Study of Atherosclerosis
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You are viewing variable information that is kept around for historical purposes only. The latest version
v0.7.0
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v0.3.0
mesa
variables
Polysomnography
cent_obs_ratio
cent_obs_ratio
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avgplm5
cent_obs_ratioa
Name
cent_obs_ratio
Label
Central/Obstructive Apnea ratio at all desaturations
Calculation
cent_obs_ratio
= (carbp + carop + canbp + canop) / (oarbp + oarop + oanbp + oanop)
Type
numeric
Tags
icsd
MESA Exam Number vs Central/Obstructive Apnea ratio at all desaturations
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Exam 5
1,611
0.3
± 1.3
0.0
0.0
22.7
626
2,237
Participant Age at MESA Sleep Visit vs Central/Obstructive Apnea ratio at all desaturations
Exam 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
1,611
0.3
± 1.3
0.0
0.0
22.7
626
2,237
54.0 to 62.0 years
394
0.4
± 1.2
0.0
0.0
13.0
166
560
62.0 to 69.0 years
427
0.3
± 1.1
0.0
0.0
16.0
132
559
69.0 to 77.0 years
397
0.3
± 1.6
0.0
0.0
22.7
162
559
77.0 to 95.0 years
393
0.3
± 1.2
0.0
0.0
16.0
166
559
Gender vs Central/Obstructive Apnea ratio at all desaturations
Exam 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
1,611
0.3
± 1.3
0.0
0.0
22.7
626
2,237
Female
813
0.3
± 1.1
0.0
0.0
22.7
385
1,198
Male
798
0.4
± 1.4
0.02
0.0
19.0
241
1,039
Race/ethnicity vs Central/Obstructive Apnea ratio at all desaturations
Exam 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
1,611
0.3
± 1.3
0.0
0.0
22.7
626
2,237
White, Caucasian
568
0.5
± 1.6
0.02
0.0
22.7
262
830
Chinese American
205
0.2
± 0.4
0.0
0.0
4.0
60
265
Black, African-American
456
0.3
± 1.2
0.0
0.0
19.0
160
616
Hispanic
382
0.3
± 1.0
0.0
0.0
16.0
144
526