†These authors contributed equally.
The coronavirus disease 2019 (COVID-19) is a novel coronavirus infection that
has rapidly spread worldwide, causing a pandemic. The main objective of this
meta-analysis was to evaluate the prevalence of the most common symptoms and
complications of COVID-19. All relevant studies on the clinical complications of
COVID-19 have been identified by searching two web databases (i.e., PubMed and
Scopus). Afterward, the relevant data were extracted from the selected studies,
and then analyzed by the STATA (Version 14) random-effects model. The 30 studies
selected for our meta-analysis covered 6,389 infected patients. The prevalence
rates of the most common symptoms were as follows: fever: 84.30% (95% CI:
77.13-90.37; I