This study will determine the variability of the frequency and severity of obstructive apnea in children as measured by two PSGs performed no more than 4 weeks apart. The variability measured will be a composite of the physiologic variability within individuals, the PSG signal- quality variability, and the PSG scoring variability. The scoring variability will be defined further by a substudy involving replicate scoring of a selection of PSGs. Data from this study will help to characterize better respiratory disturbance during sleep in children, and are critical to the interpretation of future studies examining the natural history of OSAS and the efficacy of treatment.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
3M01RR000052-38S1
Application #
6297524
Study Section
Project Start
1998-12-01
Project End
1999-11-30
Budget Start
1998-10-01
Budget End
1999-09-30
Support Year
38
Fiscal Year
1999
Total Cost
Indirect Cost
Name
Johns Hopkins University
Department
Type
DUNS #
045911138
City
Baltimore
State
MD
Country
United States
Zip Code
21218
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