Mortality rates among COVID-19 patients hospitalised during the first three waves of the epidemic in Milan, Italy: A prospective observational study.
Andrea GiacomelliAnna Lisa RidolfoLaura PezzatiLetizia OreniGiorgia CarrozzoMartina BeltramiAndrea PoloniBeatrice CaloniSamuel LazzarinMartina ColomboGiacomo PozzaSimone PaganoStefania CaronniChiara FusettiMartina GerbiFrancesco PetriFabio BorgonovoFabiana D'AloiaCristina NegriGiuliano RizzardiniSpinello AntinoriPublished in: PloS one (2022)
Hospitalisation during W2 and W3 was associated with a reduced risk of COVID-19 death in comparison with W1, but there was no difference in survival probability in patients aged >75 years.