q-Powders: a quick test for screening retronasal olfactory disorders with tasteless powders
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 te...
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| Published in | European archives of oto-rhino-laryngology Vol. 279; no. 2; pp. 779 - 784 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Berlin/Heidelberg
Springer Berlin Heidelberg
01.02.2022
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| Subjects | |
| Online Access | Get full text |
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| 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 |
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| AbstractList | To investigate the clinical utility of q-Powders-a retronasal identification screening test.PURPOSETo investigate the clinical utility of q-Powders-a retronasal identification screening test.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.METHODSA 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.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.RESULTSOur 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.The 3-item q-Powders retronasal test may be used for screening purposes in clinical research.CONCLUSIONThe 3-item q-Powders retronasal test may be used for screening purposes in clinical research.4.LEVEL OF EVIDENCE4. 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 To investigate the clinical utility of q-Powders-a retronasal identification screening test. 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. 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. The 3-item q-Powders retronasal test may be used for screening purposes in clinical research. 4. |
| Author | Pieniak, Michal Haehner, Antje Yoshino, Ayaho Hummel, Thomas Klockow, Marie Oleszkiewicz, Anna |
| Author_xml | – sequence: 1 givenname: Michal orcidid: 0000-0002-2991-7109 surname: Pieniak fullname: Pieniak, Michal email: michal.m.pieniak@gmail.com organization: Department of Otorhinolaryngology, Smell and Taste Clinic, Institute of Psychology, University of Wroclaw – sequence: 2 givenname: Anna surname: Oleszkiewicz fullname: Oleszkiewicz, Anna organization: Department of Otorhinolaryngology, Smell and Taste Clinic, Institute of Psychology, University of Wroclaw – sequence: 3 givenname: Marie surname: Klockow fullname: Klockow, Marie organization: Department of Otorhinolaryngology, Smell and Taste Clinic – sequence: 4 givenname: Ayaho surname: Yoshino fullname: Yoshino, Ayaho organization: Department of Otorhinolaryngology, Smell and Taste Clinic, Department of Otorhinolaryngology, Nippon Medical School Hospital – sequence: 5 givenname: Antje surname: Haehner fullname: Haehner, Antje organization: Department of Otorhinolaryngology, Smell and Taste Clinic – sequence: 6 givenname: Thomas surname: Hummel fullname: Hummel, Thomas organization: Department of Otorhinolaryngology, Smell and Taste Clinic |
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| Cites_doi | 10.1016/j.neuron.2005.07.022 10.1159/000509143 10.1093/chemse/bjaa041 10.1007/s00405-015-3718-2 10.1001/archotol.128.4.414 10.1001/archotol.1991.01870170065015 10.1288/00005537-198402000-00004 10.1007/s00415-019-09340-x 10.1007/s00405-013-2684-9 10.1001/jama.2020.8391 10.1007/s00405-018-5248-1 10.1016/j.jpeds.2018.03.011 10.2500/ajra.2011.25.3611 10.1093/chemse/bjz027 10.3758/s13414-014-0811-3 10.1093/chemse/bjaa081 10.4193/Rhin19.230 10.1093/chemse/22.1.39 10.1016/j.jneumeth.2015.01.034 10.4274/balkanmedj.2018.0052 10.1002/lary.20123 10.1159/000500559 10.3758/BF03202667 10.1002/lary.28698 |
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| Keywords | Olfactory disorders q-Powders test Retronasal olfaction Olfaction |
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To investigate the clinical utility of q-Powders—a retronasal identification screening test.
Methods
A total of 156 subjects (92 females, mean age:... To investigate the clinical utility of q-Powders-a retronasal identification screening test. A total of 156 subjects (92 females, mean age: 54.5 years ±... To investigate the clinical utility of q-Powders-a retronasal identification screening test.PURPOSETo investigate the clinical utility of q-Powders-a... |
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| SubjectTerms | Female Head and Neck Surgery Humans Medicine Medicine & Public Health Middle Aged Neurosurgery Odorants Olfaction Disorders - diagnosis Otorhinolaryngology Powders Rhinology Smell |
| Title | q-Powders: a quick test for screening retronasal olfactory disorders with tasteless powders |
| URI | https://link.springer.com/article/10.1007/s00405-021-06849-8 https://www.ncbi.nlm.nih.gov/pubmed/33948681 https://www.proquest.com/docview/2522398112 https://pubmed.ncbi.nlm.nih.gov/PMC8096134 |
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