Comparison of subjective olfaction ratings in patients with and without olfactory disorders

The Journal of Laryngology and Otology
B R HaxelA Muttray

Abstract

Olfactory dysfunction is common. The reliability of self-assessment tools for smell testing is still controversial. This study aimed to provide new data about the accuracy of olfactory self-assessment compared with a standardised smell test. Prospective, controlled, cohort study of patients with olfactory disorders and healthy controls. Ninety-six patients with a smell deficit and 71 controls were asked to rate their sense of smell on a visual analogue scale. Their olfactory abilities were also evaluated with the Sniffin' Sticks tests. The whole cohort showed a significant correlation between visual analogue scale smell scores and Sniffin' Sticks total scores. This correlation was also significant in the patient group, but not in the control group. These results were independent of olfactory deficit aetiology and subject age. Self-assessment of olfaction is only a reliable indicator in smell-impaired patients, not in healthy controls. For an accurate assessment of olfaction, reliable, standardised tests are needed.

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Citations

Feb 11, 2014·The Journal of Laryngology and Otology·D HamiltonS Powell
Sep 10, 2014·Chemical Senses·Carl M Philpott, Duncan Boak
Nov 3, 2017·Laryngoscope Investigative Otolaryngology·Boris R HaxelKai Fruth
Apr 11, 2019·Geriatrics & Gerontology International·Masayuki HaritaShigeto Morimoto
Dec 19, 2015·Current Opinion in Otolaryngology & Head and Neck Surgery·Zara M Patel, John M DelGaudio
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Aug 2, 2020·The Laryngoscope·Julien W HsiehBasile N Landis
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Dec 29, 2020·Laryngoscope Investigative Otolaryngology·Xiaoguang YanThomas Hummel
Feb 19, 2021·OTO Open : the Official Open Access Journal of the American Academy of Otolaryngology--Head and Neck Surgery Foundation·James H KimElisabeth H Ference
Mar 8, 2021·European Annals of Otorhinolaryngology, Head and Neck Diseases·C E PapadakisE K Proimos
Feb 13, 2021·Chemical Senses·Paolo Boscolo-RizzoClaire Hopkins
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Aug 15, 2021·American Journal of Otolaryngology·Eugenia MaioranoMarco Benazzo

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