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AI_NREM5 - MESA Variables
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Multi-Ethnic Study of Atherosclerosis
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Variables
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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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v0.4.0
mesa
variables
Sleep Monitoring
Polysomnography
Arousal
ai_nrem5
ai_nrem5
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ahremop5
ai_rem5
Name
ai_nrem5
Label
Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
Description
Calculated
Units
events per hour
Type
numeric
Tags
phrnumrs_sn_f1t2
MESA exam number vs Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Exam 5
2,035
23.2
± 12.9
20.4
1.3
105.1
202
2,237
Participant Age at MESA Sleep Visit vs Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
Exam 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,035
23.2
± 12.9
20.4
1.3
105.1
202
2,237
54.0 to 62.0 years
518
20.6
± 11.7
18.5
1.3
78.1
42
560
62.0 to 69.0 years
526
23.1
± 13.3
19.5
2.7
89.9
33
559
69.0 to 77.0 years
507
23.8
± 13.0
21.2
3.3
105.1
52
559
77.0 to 95.0 years
484
25.3
± 13.2
23.5
2.1
80.9
75
559
Gender of the participant vs Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
Exam 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,035
23.2
± 12.9
20.4
1.3
105.1
202
2,237
Female
1,094
20.4
± 11.0
18.2
1.3
77.7
104
1,198
Male
941
26.4
± 14.1
23.4
2.9
105.1
98
1,039
Race/ethnicity of the participant vs Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
Exam 5
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,035
23.2
± 12.9
20.4
1.3
105.1
202
2,237
White, Caucasian
741
23.9
± 13.3
21.3
1.3
105.1
89
830
Chinese American
247
23.3
± 12.0
21.0
4.9
66.5
18
265
Black, African-American
564
21.5
± 12.1
18.8
2.1
78.1
52
616
Hispanic
483
23.9
± 13.3
20.5
3.3
80.9
43
526