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Correlation between gastrointestinal symptoms and disease severity in patients with COVID-19: a systematic review and
Jing Liu1, Min Cui1, Tao Yang1
1Gastroenterology, Xinjiang Medical University Affiliated First Hospital, Urumqi, Xinjiang, China.
Objective:
To study the correlation between gastrointestinal (GI) symptoms and disease severity in patients with COVID-19.
Design:
We searched six databases including three Chinese and three English databases for all the published articles on COVID-19. Studies were screened according to inclusion and exclusion criteria. The relevant data were extracted and all the statistical analyses were performed using Revman5.3.
Result:
In a meta-analysis of 9 studies, comprising 3022 patients, 479 patients (13.7%, 95% CI 0.125 to 0.149) had severe disease and 624 patients (14.7%, 95% CI 0.136 to 0.159) had GI symptoms. Of 624 patients with GI symptoms, 118 patients had severe disease (20.5%, 95% CI 0.133 to 0.276) and of 2397 cases without GI symptoms, 361 patients had severe disease (18.2%, 95% CI 0.129 to 0.235). Comparing disease severity of patients with and without GI symptoms, the results indicated: I²=62%, OR=1.21, 95% CI 0.94 to 1.56, p=0.13; there was no statistically significant difference between the two groups. The funnel plot was symmetrical with no publication bias.
Conclusion:
Current results are not sufficient to demonstrate a significant correlation between GI symptoms and disease severity in patients with COVID-19.
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