Frequency of five unusual presentations in patients with COVID-19: Results of the UMC-19-S1

Despite SARS-COVID-19 infection has a stereotypical clinical picture, isolated case with unusual manifestations have been reported, some of them being well-known to be triggered by viral infections. However, the real frequency in COVID-19 is unknown. Analyzing data of 63,822 COVID patients attending 50 Spanish emergency department (ED) during the COVID outbreak, before hospitalization, we report frequencies of (myo)pericarditis (0.71%), meningoencephalitis (0.25%), Guillain-Barre syndrome (0.13%), acute pancreatitis (0.71%) and spontaneous pneumothorax (0.57%). Compared with general ED population, COVID patients developed more frequently Guillain-Barre syndrome (OR=4.55, 95% CI=2.09-9.90), spontaneous pneumothorax (OR=1.98, 95%CI=1.40-2.79) and (myo)pericarditis (OR=1.45, 95%CI=1.07-1.97), but less frequently pancreatitis (OR=0.44, 95%CI=0.33-0.60).

Frequency of five unusual presentations in patients with COVID-19: Results of the UMC-19-S1
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