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. 2020 Jun 1;277(11):3213–3216. doi: 10.1007/s00405-020-06087-4

Fig. 3.

Fig. 3

Etiologies of olfactory dysfunction change with age. Age-related distribution of etiologies of olfactory dysfunction. While the percentage of patients with congenital olfactory dysfunction seeking medical consultation decreases, other etiologies such as URTI increases with age (i: ≤ 17 years, ii: 18–39 years, iii: 40–59 years, iv: 60–79 years, ≥ 80 years)