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In this study, a cohort of 68 patients with olfactory loss and 55 controls were assessed using a recently introduced olfactory test. This test involves sorting 2 odorants (eugenol and phenylethyl alcohol) in 5 dilutions according to odor intensity, with an average application time of 3.5\u00a0min. The sorting task score, calculated as the mean of Kendall\u2019s Tau between the assigned and true dilution orders and normalized to [0,1], identified a cutoff for anosmia at a score\u2005\u2264\u20050.7. This cutoff, which marks the 90th percentile of scores obtained with randomly ordered dilutions, had a balanced accuracy of 89% (78% to 97%) for detecting anosmia, comparable to traditional odor threshold assessments. Retest evaluations suggested a score difference of \u00b10.15 as a cutoff for clinically significant changes in olfactory function. In conclusion, the olfactory sorting test represents a simple, self-administered approach to the detection of anosmia or preserved olfactory function. With balanced accuracy similar to existing brief olfactory tests, this method offers a practical and user-friendly alternative for screening anosmia, addressing the need for resource-efficient assessments in clinical settings.<\/jats:p>","DOI":"10.1093\/chemse\/bjae008","type":"journal-article","created":{"date-parts":[[2024,2,24]],"date-time":"2024-02-24T19:30:36Z","timestamp":1708803036000},"source":"Crossref","is-referenced-by-count":3,"title":["Odor dilution sorting as a clinical test of olfactory function: normative values and reliability data."],"prefix":"10.1093","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5818-6958","authenticated-orcid":false,"given":"J\u00f6rn","family":"L\u00f6tsch","sequence":"first","affiliation":[{"name":"Goethe\u2014University, Medical Faculty, Institute of Clinical Pharmacology , Theodor Stern Kai 7, 60590 Frankfurt am Main , Germany"},{"name":"Fraunhofer Institute for Translational Medicine and Pharmacology ITMP , Theodor-Stern-Kai 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