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QUESTION: How do the accuracies of diagnostic and screening tests (radiological imaging, laboratory assays, partial night polysomnography [PSG], daytime PSG, reduced channel PSG, and clinical signs and symptoms) compare with overnight sleep laboratory PSG for identifying sleep apnoea in adults?
Data sources
Studies were identified by searching Medline (1980 to November 1997) and Current Contents (1997) using the terms sleep apnoea syndrome; monitoring, physiologic; airway resistance; and index. Bibliographies were scanned.
Study selection
English, French, German, Spanish, and Italian language studies were selected if a diagnostic test or intervention was used to support a diagnosis of sleep apnoea and ≥10 adults with any …
Footnotes
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Source of funding: Agency for Health Care Policy and Research.
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For correspondence: Dr S D Ross, MetaWorks, Inc., 470 Atlantic Avenue, Boston, MA 02210, USA. Fax +1 617 368 3590.