Comparison between the first and second COVID-19 waves in Internal Medicine wards in Milan, Italy: a retrospective observational study.

ABSTRACT: COVID-19 spread in two pandemic waves in Italy between 2020 and 2021. The aim of this study is to compare the first with the second COVID-19 wave, analyzing modifiable and non-modifiable factors and how these factors affected mortality in patients hospitalized in Internal Medicine wards. Consecutive patients with SARS-CoV-2 infection and dyspnea requiring O₂ supplementation were included. The severity of lung involvement was categorized according to the patients' oxygen need. Six hundred and ten SARS-CoV-2 hospitalized patients satisfied the inclusion criteria. The overall estimated 4-week mortality was similar in the two pandemic waves. Several variables were associated with mortality after univariate analysis, but they lacked the significance after multivariable adjustment. St

SUBMITTER: Blanca D 

PROVIDER: S-EPMC9377666 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature