Reports of persistent symptoms after hospitalization with COVID-19 have raised concern of a
“long COVID” syndrome. This study aimed at determining the prevalence of and risk factors …

Background Many patients with COVID-19 did not require hospitalisation, nor underwent
COVID-19 testing. There is anecdotal evidence that patients with “mild” COVID-19 may …

Background After mild COVID-19, some outpatients experience persistent symptoms.
However, data are scarce and prospective studies are urgently needed. Objectives To …

Background The primary goal of the presented cross-sectional observational study was to
determine the clinical and demographic risk factors for adverse coronavirus disease 2019 …

Objectives To describe the clinical evolution and predictors of symptom persistence during 2
months' follow-up in adults with noncritical coronavirus disease 2019 (COVID-19). Methods …

Background Although persistent symptoms after coronavirus disease 2019 (COVID-19) are
emerging as a major complication to the infection, data on the diversity and duration of …

Background After recovering from coronavirus disease 2019 (COVID-19), a considerable
number of patients report long-term sequelae. The epidemiologic data vary widely in the …

Objectives Persistent COVID-19 symptoms have been reported up to 3 months after hospital
discharge. Little is known on the frequency and the nature of persistent symptoms beyond 3 …

Objective This multicenter study investigated clinical risk factors associated with the number
of long-term symptoms after COVID. Methods Clinical features, symptoms at hospital …

Background Long COVID-19 may affect patients after hospital discharge. Aims This study
aims to describe the burden of the long-term persistence of clinical symptoms in COVID-19 …