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NSRR
AVGSAT - SHHS Variables
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Sleep Heart Health Study
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Variables
Old Version
You are viewing variable information that is kept around for historical purposes only. The latest version
v0.20.0
is
available here
.
v0.5.1
shhs
variables
Measurements
PSG
Oxygen Saturation
avgsat
avgsat
Overview
Graphs
Histogram
Age
Gender
Race
More
Related
History
ai_all
minsat
Name
avgsat
Label
Average SaO2 in sleep
Calculation
avgsat
= ( (
avsao2nh
) * (
timest1p
+
timest2p
+
times34p
) + (
avsao2rh
) * (
timeremp
) ) / 100
Units
percent
Type
numeric
Tags
avgsat
hypoxemia
hypoxia
SHHS Visit Number vs Average SaO2 in sleep
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
-
-
-
-
-
-
-
-
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
2,651
94.1
± 2.0
94.0
75.0
100.0
1,429
4,080
CVD Outcomes
-
-
-
-
-
-
-
-
Age at SHHS1 vs Average SaO2 in sleep
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
94.1
± 2.0
94.0
75.0
100.0
1,429
4,080
35-44 years
136
95.2
± 1.8
95.0
85.0
99.0
48
184
45-54 years
498
94.6
± 1.8
95.0
89.0
100.0
209
707
55-64 years
852
94.2
± 2.0
94.0
75.0
99.0
469
1,321
65-74 years
784
93.8
± 1.9
94.0
83.0
98.0
416
1,200
75-84 years
360
93.8
± 2.0
94.0
84.0
98.0
264
624
85 years or older
21
94.2
± 1.6
94.0
90.0
97.0
23
44
Gender vs Average SaO2 in sleep
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
94.1
± 2.0
94.0
75.0
100.0
1,429
4,080
Male
1,226
93.8
± 1.8
94.0
83.0
100.0
635
1,861
Female
1,425
94.4
± 2.0
95.0
75.0
99.0
794
2,219
Race vs Average SaO2 in sleep
Visit 2
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
2,651
94.1
± 2.0
94.0
75.0
100.0
1,429
4,080
White
2,311
94.0
± 1.9
94.0
75.0
100.0
1,276
3,587
Black
181
94.9
± 1.8
95.0
89.0
99.0
75
256
Other
159
95.2
± 1.9
95.0
85.0
99.0
78
237