Reliability of EP3OS symptom criteria and nasal endoscopy in the assessment of chronic rhinosinusitis--a GA² LEN study
Reliability of EP3OS symptom criteria and nasal endoscopy in the assessment of chronic rhinosinusitis--a GA² LEN study
Our findings suggest that a symptom-based definition of CRS, according to the epidemiological part of the EP3OS criteria, has a moderate reliability over time, is stable between study centers, is not influenced by the presence of allergic rhinitis, and is suitable for the assessment of geographic variation in prevalence of CRS.
endoscopy, questionnaires, reproducibility of results, sinusitis, validation studies
556-561
Tomassen, P.
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Newson, R.B.
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Hoffmans, R.
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Lötvall, J.
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Cardell, L.O.
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Gunnbjörnsdóttir, M.
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Thilsing, T.
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Matricardi, P.
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Krämer, U.
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Makowska, J.S.
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Brozek, G.
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Gjomarkaj, M.
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Howarth, P.
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Loureiro, C.
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Toskala, E.
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Fokkens, W.
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Bachert, C.
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Burney, P.
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Jarvis, D.
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April 2011
Tomassen, P.
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Newson, R.B.
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Hoffmans, R.
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Lötvall, J.
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Cardell, L.O.
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Gunnbjörnsdóttir, M.
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Thilsing, T.
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Matricardi, P.
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Krämer, U.
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Makowska, J.S.
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Brozek, G.
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Gjomarkaj, M.
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Howarth, P.
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Loureiro, C.
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Toskala, E.
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Fokkens, W.
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Bachert, C.
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Burney, P.
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Jarvis, D.
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