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  • Title: A new procedure for the short screening of olfactory function using five items from the "Sniffin' Sticks" identification test kit.
    Author: Mueller C, Renner B.
    Journal: Am J Rhinol; 2006; 20(1):113-6. PubMed ID: 16539306.
    Abstract:
    BACKGROUND: The aim of this study was to create a new protocol based on the "Sniffin' Sticks" test kit, which would be suitablefor short screening of olfactory function. METHODS: One hundred forty-one subjects were included in the investigation. In a first session, 106 subjects were presented five odorants together with a list of 20 descriptors. Additional choices were "no odor" and "undefinable". The established 16-item identification test was then performed to assess olfactory function. In another session, the new procedure was repeated on 21 subjects to check the test-retest reliability. The Brief Smell Identification Test was used together with the five-item test in an additional 35 subjects for additional validation. RESULTS: The correlation coefficients between the results of the new test and the established procedures were r106 = 0.61 and r35 = 0.77 (p < 0.01). The new test procedure revealed two groups of subjects (score of 0 and scores 4 or 5). These groups had no overlapping results in the established odor identification tests. Repeated measurements of the short test showed a correlation coefficient of r21 = 0.77 (p < 0.01). CONCLUSION: The present data indicate the usefulness of the short screening test. Given a maximum of one error, the test is able to confirm the presence of normosmia or mild hyposmia. The kit can be carried in a pocket and the test takes only 3 minutes to perform.
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