References
- Hoffman HJ, Rawal S, Li CM, Duffy VB. New chemosensory component in the U.S. National Health and Nutrition Examination Survey (NHANES): first-year results for measured olfactory dysfunction. Rev Endocr Metab Disord 2016;17:221–40.
- Estrem SA, Renner G. Disorders of smell and taste. Otolaryngol Clin North Am 1987;20:133–47.
- Lee WH, Wee JH, Kim DK, Rhee CS, Lee CH, Ahn S, et al. Prevalence of subjective olfactory dysfunction and its risk factors: Korean National Health and Nutrition Examination Survey. PloS ONE 2013;8:e62725.
- Temmel AF, Quint C, Schickinger-Fischer B, Temmel AFP, Klimek L, Stoller E, Hummel T. Characteristics of olfactory disorders in relation to major causes of olfactory loss. Arch Otolaryngol Head Neck Surg 2002;128:635–41.
- Cain WS, Rabin MD. Comparability of two tests of olfactory functioning. Chem Senses 1989;14:479–85.
- Doty RL, Shaman P, Dann M. Development of the University of Pennsylvania Smell Identification Test: a standardized microencapsulated test of olfactory function. Physiol Behav 1984;32:489–502.
- Doty RL, Marcus A, Lee WW. Development of the 12-item Cross-Cultural Smell Identification Test (CC-SIT). Laryngoscope 1996;106:353–6.
- Cain WS, Gent JF, Goodspeed RB, Leonard G. Evaluation of olfactory dysfunction in the Connecticut Chemosensory Clinical Research Center. Laryngoscope 1988;98:83–8.
- Binder M, Hirokawa N, Windhorst U. Encyclopedia of neuroscience: Berlin Heidelberg: Springer;2009. pp. 2900–2900.
- Hummel T, Kobal G, Gudziol H, Mackay-Sim A. Normative data for the “Sniffin' Sticks including tests of odor identification, odor discrimination, and olfactory thresholds: an upgrade based on a group of more than 3,000 subjects.” Eur Arch Otorhinolaryngol 2007;264:237–43.
- Kobal G, Klimek L, Wolfensberger M, Gudziol H, Temmel A, Owen CM, et al. Multicenter investigation of 1,036 subjects using a standardized method for the assessment of olfactory function combining tests of odor identification, odor discrimination, and olfactory thresholds. Eur Arch Otorhinolaryngol 2000;257:205–11.
- Kim YK, Hong SL, Yoon EJ, Kim SE, Kim JW. Central presentation of postviral olfactory loss evaluated by positron emission tomography scan: a pilot study. Am J Rhinol Allergy 2012;26:204–8.
- Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics 1977;33:159–74.
- Landis BN, Hummel T, Hugentobler M, Giger R, Lacroix JS. Ratings of overall olfactory function. Chem Senses 2003;28:691–4.
- Philpott CM, Wolstenholme CR, Goodenough PC, Clark A, Murty GE. Comparison of subjective perception with objective measurement of olfaction. Otolaryngol Head Neck Surg 2006;134:488–90.
- Haxel BR, Bertz-Duffy S, Fruth K, Letzel S, Mann WJ, Muttray A. Comparison of subjective olfaction ratings in patients with and without olfactory disorders. J Laryngol Otol 2012;126:692–7.
- Kondo H, Matsuda T, Hashiba M, Baba S. A study of the relationship between the T&T olfactometer and the University of Pennsylvania Smell Identification Test in a Japanese population. Am J Rhinol Allergy 1998;12:353–8.
- Tsukatani T, Reiter ER, Miwa T, Costanzo RM. Comparison of diagnostic findings using different olfactory test methods. Laryngoscope 2005;115:1114–7.
- Gudziol V, Lötsch J, Hähner A, Zahnert T, Hummel T. Clinical significance of results from olfactory testing. Laryngoscope 2006;116:1858–63.
- Shu CH, Hummel T, Lee PL, Chiu C-H, Lin S-H, Yuan B-C. The proportion of self-rated olfactory dysfunction does not change across the life span. Am J Rhinol Allergy 2009;23:413–6.