Anosmia Clinical Trial
Official title:
Validation of the Local Applicability of the 'TIB' Olfactory Test Device in the Era of COVID-19
The aim of this study was to evaluate the validity and test-retest reliability of the 'TIB' Olfactory Test Device, a new olfactory test tool developed by Top International Biotech, Taipei, and to determine its normative values. The olfactory function of 180 subjects was evaluated using both the traditional Chinese version of the University of Pennsylvania of Smell Identification Test (UPSIT-TC) and TIB. The subjects consisted of 60 healthy volunteers (normosmic group), 60 hyposmic patients, and 60 anosmic patients. The healthy volunteers were retested with the UPSIT-TC and TIB at an inter-test interval of at least 7 days. The cut-off scores of TIB among the different groups were determined by receiver operating characteristic curve.
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