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2 results on '"q-Powders test"'

1. q-Powders: a quick test for screening retronasal olfactory disorders with tasteless powders.

Author

Pieniak, Michal, Oleszkiewicz, Anna, Klockow, Marie, Yoshino, Ayaho, Haehner, Antje, and Hummel, Thomas

Subjects
*SMELL disorders, *MEDICAL screening, *POWDERS, *MEDICAL research
Abstract

Purpose: To investigate the clinical utility of q-Powders—a retronasal identification screening test. Methods: A total of 156 subjects (92 females, mean age: 54.5 years ± 17.3 years) completed a 3-item q-Powders retronasal identification test and a 16-items Sniffin' Sticks orthonasal identification test. We analyzed whether the q-Powders test could differentiate between subjects with normosmia and subjects with an olfactory disorder. Results: Our data indicated that subjects with an olfactory disorder scored lower in the q-Powders test than subjects with normosmia. The analyses revealed q-Powders test sensitivity of 84% and a test specificity of 64.9% with a score of 2 points taken as a cutoff for olfactory disorders. Conclusion: The 3-item q-Powders retronasal test may be used for screening purposes in clinical research. Level of evidence: 4 [ABSTRACT FROM AUTHOR]

Published
2022
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2. q-Powders: a quick test for screening retronasal olfactory disorders with tasteless powders

Author

Michał Pieniak, Antje Haehner, Anna Oleszkiewicz, Thomas Hummel, Marie Klockow, and Ayaho Yoshino

Subjects
medicine.medical_specialty, Quick Test, q-Powders test, Screening test, Olfactory disorder, Test sensitivity, Olfaction, Audiology, 03 medical and health sciences, Olfaction Disorders, 0302 clinical medicine, Medicine, Humans, 030223 otorhinolaryngology, business.industry, Mean age, General Medicine, Middle Aged, Rhinology, Test (assessment), Smell, Otorhinolaryngology, Retronasal olfaction, Odorants, Olfactory disorders, Head and neck surgery, Female, Powders, business, 030217 neurology & neurosurgery
Abstract

Purpose To investigate the clinical utility of q-Powders—a retronasal identification screening test. Methods A total of 156 subjects (92 females, mean age: 54.5 years ± 17.3 years) completed a 3-item q-Powders retronasal identification test and a 16-items Sniffin’ Sticks orthonasal identification test. We analyzed whether the q-Powders test could differentiate between subjects with normosmia and subjects with an olfactory disorder. Results Our data indicated that subjects with an olfactory disorder scored lower in the q-Powders test than subjects with normosmia. The analyses revealed q-Powders test sensitivity of 84% and a test specificity of 64.9% with a score of 2 points taken as a cutoff for olfactory disorders. Conclusion The 3-item q-Powders retronasal test may be used for screening purposes in clinical research. Level of evidence 4

Published
2021

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