… purpose of this review included olfaction disorders, post viral olfactory dysfunction, post …
olfactory loss, post viral anosmia, post infectious olfactory dysfunction, post infectious olfactory …

Background Olfactory dysfunction (OD) is common and has been reported as an early indicator
of COVID-19. However, the reported prevalence of OD in the general population varies …

… Of 10 cross-sectional studies, two were excluded from meta-analysis because the cohorts
… In meta-analysis, current smokers had substantially higher odds of olfactory dysfunction …

… ) and olfactory deficits is well documented and further, alterations in olfactory functioning may
… present comprehensive meta-analysis was to investigate the nature of olfactory deficits in …

… A quantitative meta-analysis of olfactory dysfunction in mild cognitive impairment. J Neurol
… A quantitative meta-analysis of olfactory dysfunction in mild cognitive impairment. J Neurol …

… evaluated olfactory training on patients with olfactory dysfunction due … olfactory dysfunction
or studies without olfactory training. Some studies included patients with olfactory dysfunction …

… for the treatment of olfactory dysfunction. Results of this systematic review and meta-analysis
suggest that it may be an effective treatment for olfactory dysfunction due to multiple …

… Second, systemic diseases such as diabetes, autoimmune diseases, or iron deficiency
may cause central and peripheral olfactory dysfunction 10 ,11 and may be associated with …

… There have been multiple reviews investigating gustatory and olfactory dysfunction after
COVID-19 infection. Our work shows that gustatory and olfactory dysfunction do not seem to be …

… This meta-analysis found the prevalence of olfactory dysfunction was 47.85% of the
COVID-19 patients based on the high quality of evidence, which suggests it as a significant initial …