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Meta-Analysis
. 2022 Jan;279(1):49-60.
doi: 10.1007/s00405-021-06900-8. Epub 2021 May 25.

Prevalence and prognosis of otorhinolaryngological symptoms in patients with COVID-19: a systematic review and meta-analysis

Jingjing Qiu #  1 , Xin Yang  1 , Limei Liu  2 , Ting Wu  1 , Limei Cui  1 , Yakui Mou  3 , Yan Sun  4
Affiliations
Meta-Analysis

Prevalence and prognosis of otorhinolaryngological symptoms in patients with COVID-19: a systematic review and meta-analysis

Jingjing Qiu et al. Eur Arch Otorhinolaryngol. 2022 Jan.

Abstract

Objective: A systematic review and meta-analysis were performed to evaluate the prevalence and prognosis of otorhinolaryngological symptoms in patients with the diagnosed coronavirus disease 2019 (COVID-19).

Methods: A systematic search of PubMed, Embase, Web of Science, and Google Scholar databases was performed up to August 19, 2020.We included studies that reported infections with COVID-19 and symptoms of otolaryngology. The retrieved data from the respective studies were evaluated and summarized. The study's immediate result was to assess the combined prevalence of otorhinolaryngological symptoms in patients with COVID-19. However, the secondary result was to determine the exacerbation of COVID-19 infection in patients with otorhinolaryngological symptoms.

Results: Fifty-four studies with 16,478 patients were included. Olfactory dysfunction, sneezing and sputum production were the 3 most prevalent otorhinolaryngological symptoms in patients with COVID-19. The pooled prevalence amongst the prevalent symptoms was 47% (95% CI 29-65; range 0-98; I2 = 99.58%), 27% (95% CI 11-48; range 12-40; I2 = 93.34%), and 22% (95% CI 16-30; range 2-56; I2 = 97.60%), respectively. The proportion of severely ill patients with sputum production and shortness of breath was significantly higher among patients with COVID-19 infections (OR 1.66 [95% CI 1.08-2.54]; P = 0.02, I2 = 51% and 3.29 [95% CI 1.57-6.90]; P = 0.002, I2 = 49%, respectively). Subgroup analysis showed no statistically significant differences between the incidence of otolaryngology symptoms in severely ill patients and non-severely ill patients (OR 1.43 [95% CI 1.12-1.82]; P = 0.07 I2 = 53.1%). In contrast, the incidence of shortness of breath in severely ill patients was significantly increased (3.29 [1.57-6.90]; P = 0.002, I2 = 49%).

Conclusion: Our research shows that otorhinolaryngology symptoms in patients with COVID-19 are not uncommon, which should attract otorhinolaryngologists' attention.

Keywords: COVID-19; Meta-analysis; Otorhinolaryngological symptoms; Review.

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Conflict of interest statement

There is no conflict of interest in this study.

Figures

Fig. 1
Fig. 1
Study selection
Fig. 2
Fig. 2
Forest plots for the prevalence of the otorhinolaryngological symptoms of COVID-19
Fig.3
Fig.3
Effect of otorhinolaryngological symptoms on the severity of COVID-19
Fig.4
Fig.4
Otorhinolaryngological symptoms according to COVID-19 severity (severe vs non-severe)
See this image and copyright information in PMC

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