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NSRR
SLEEPSTAGE08 - CHAT Variables
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Childhood Adenotonsillectomy Trial
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Variables
v0.14.0
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variables
Clinical Data
Diagnostic Studies
Heart Rate Variability
sleepstage08
sleepstage08
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sleepstage07
sleepstage09
Name
sleepstage08
Label
Sleep stage of eighth 30 second epoch in 5 minute window
Domain
sleepstage
0: Wake
1: Stage 1
2: Stage 2
3: Stage 3/4
4: Stage 3/4
5: REM stage
Type
choices
Sleep stage of eighth 30 second epoch in 5 minute window vs Visit Number
Baseline
Follow-up
Total
44,621
39,667
Wake
4,018
2,948
Stage 1
3,349
2,679
Stage 2
16,820
16,110
Stage 3/4
12,754
11,133
Stage 3/4
-
39
REM stage
7,680
6,758