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Cross-culturally modified University of Pennsylvania Smell Identification Test for a Turkish population
Aytug Altundag1, Hakan Tekeli, Murat Salihoglu
1Department of Otorhinolaryngology, Istanbul Surgery Hospital, Istanbul, Turkey.
Background:
The University of Pennsylvania Smell Identification Test (UPSIT) is a well-developed and popular olfactory test, which has been validated in various populations. However, there was only one study in a Turkish population, and this study indicated that the North American version of the UPSIT was not enough to evaluate the olfactory functions of Turkish population. So, we developed a cross-cultural adaptation of the UPSIT, the UPSIT-Turkish (UPSIT-T). Thus, the goal of this study was to investigate the applicability of the UPSIT-T in healthy Turkish subjects.
Material And Methods:
The study included 51 healthy individuals who reported having normal olfactory function. The participants were administered the North American version of the UPSIT firstly, and then, after a day UPSIT-T was applied to the participants. The results of two smell tests were compared, and the applicability of UPSIT-T was evaluated.
Results:
The mean (standard deviation) value for correctly identified odors was 27.2 ± 5.7 (range, 14-38) with the UPSIT application, whereas the mean (standard deviation) value for correctly identified odors was 35.9 ± 3.1 for UPSIT-T. There was a statistically significant increase in the scores of the participants when UPSIT-T was performed (p < 0.001). The identification rates of 10 test odorants were <80% for our study group, and 2 of 10 were <70% for the UPSIT-T.
Conclusion:
The UPSIT-T modification is an adequate olfactory test for clinical use in a Turkish population.
