PMID: 11902428Mar 21, 2002Paper

ICSD diagnostic criteria for narcolepsy: interobserver reliability. Intemational Classification of Sleep Disorders

Sleep
Luca VignatelliGIN-SEN. Gruppo Italiano Narcolessia-Studio Epidemiologico Nazionale

Abstract

To estimate the reliability of the diagnosis of narcolepsy after clinical interview and polysomnographic evaluation among sleep medicine doctors, before and after training in application of the International Classification of Sleep Disorders (ICSD). Videotaped semi-structured interviews of 10 patients complaining of daytime sleepiness of different etiologies. Questions referred to ICSD criteria for narcolepsy. A further series of 10 cases of narcolepsy without cataplexy were simulated, with at least a random one to three of the ICSD polysomnographic criteria at pathological levels. Seventeen doctors were required to classify each videotaped case as "ascertained," "possible," or "excluded" narcolepsy, in two sessions: one before and one after discussion of ICSD criteria. The observers were invited to confirm or exclude the diagnosis of narcolepsy in the 10 simulated cases, according to the given polysomnographic findings, before and after an agreed proposal of the interpretation of ICSD polysomnographic criteria. Interobserver reliability was calculated using Kappa statistics. N/A. Interobserver reliability of clinical judgement improved from "substantial" at baseline (Kappa 0.61) to "almost perfect" after training (Kappa 0.95)....Continue Reading

Citations

Aug 28, 2003·Journal of Sleep Research·UNKNOWN Bologna, Geneva, Parma, and Pisa Universities group for the study of REM Sleep Behaviour Disoders in Parksinson's Disease
Mar 22, 2005·Journal of Neurology·Luca VignatelliPasquale Montagna
Jan 6, 2010·Acta Neurologica Scandinavica·P Jennum, J Kjellberg
Feb 18, 2021·Sleep Medicine Reviews·Christophe GauldJean-Arthur Micoulaud-Franchi

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