Publication: Connecticut (CCCRC) Olfactory Test: Normative Values in 426 Healthy Volunteers
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VEYSELLER, Bayram
OZUCER, Berke
KARAALTIN, Aysegul Batioglu
YILDIRIM, Yalcin
DEGIRMENCI, NAZAN
AKSOY, Fadlullah
ÖZTURAN, ORHAN
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Abstract
Application of Connecticut Chemosensory
Clinical Research Center (CCCRC) olfactory test to healthy Turkish volunteers, obtain normative data set and
analyse the role of age, sex and smoking on olfactory
scores. The present study was conducted at Bezmialem
Vakif University, Department of Otorhinolaryngology.
Total of 426 healthy volunteers were subjected to CCCRC
olfactory test which consists of n-butanol smell threshold
test and smell identification test. Olfactory function score
was assessed (0: worst score; 7: best score) and mean
scores were calculated. Mean age was (36.7 ± 11.1; range,
17–68). 46.2 % of the subjects were male and 53.8 % were
female; 37.1 % were smokers and 62.9 % were nonsmokers. Mean n-butanol threshold score was 6.36 out of 7,
mean identification score was 6.34 and mean total score
was 6.35. According to CCCRC score: there were no
anosmic individuals, 0.5 % were severely hyposmic, 2.6 %
were moderately hyposmic,15.3 % were mildly hyposmic
and 81.6 % were normosmic. CCCRC olfactory test is
cost-effective, simple and practical. It can be easily applied
in clinical settings. The CCCRC olfactory test is appropriate for assessment of olfactory function: Turkish population is familiar in terms of the odors used in CCCRC test.
The power of this study is that it provides a normative data
set against which many factors can be compared.
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VEYSELLER B., OZUCER B., KARAALTIN A. B. , YILDIRIM Y., DEGIRMENCI N., AKSOY F., ÖZTURAN O., -Connecticut (CCCRC) Olfactory Test: Normative Values in 426 Healthy Volunteers-, Indian Journal of Otolaryngology and Head and Neck Surgery, cilt.66, ss.31-34, 2014