Constantine I Vardavas, Alexander G Mathioudakis, Katerina Nikitara, Kimon Stamatelopoulos, Georgios Georgiopoulos, Revati Phalkey, Jo Leonardi-Bee, Esteve Fernandez, Dolors Carnicer-Pont, Jørgen Vestbo, Jan C Semenza, Charlotte Deogan, Jonathan E Suk, Piotr Kramarz, Favelle Lamb, Pasi Penttinen
BACKGROUND: As mortality from coronavirus disease 2019 (COVID-19) is strongly age-dependent, we aimed to identify population subgroups at an elevated risk for adverse outcomes from COVID-19 using age-/gender-adjusted data from European cohort studies with the aim to identify populations that could potentially benefit from booster vaccinations. METHODS: We performed a systematic literature review and meta-analysis to investigate the role of underlying medical conditions as prognostic factors for adverse outcomes due to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), including death, hospitalisation, intensive care unit (ICU) admission and mechanical ventilation within three separate settings (community, hospital and ICU)...
December 31, 2022: European Respiratory Review: An Official Journal of the European Respiratory Society