72 Scopus citations


Coronavirus disease 2019 (COVID-19) is a global pandemic and information on risk factors for worse prognosis is needed to accurately identify patients at risk and potentially provide insight into therapeutic options. In this retrospective cohort study, including 3703 patients with laboratory confirmed COVID-19, we identified risk factors associated with all-cause mortality, need for hospitalization and mechanical ventilation. Male gender was independently associated with increased risk of hospitalization (adjusted odds ratio [ORadj]: 1.62; 95% confidence interval [95% CI]: 1.38-1.91)), mechanical ventilation (ORadj: 1.35; 95% CI: 1.08-1.69) and death (ORadj: 1.46; 95% CI: 1.17-1.82). Patients > 60 years had higher risk of hospitalization (ORadj: 5.47; 95% CI: 4.29-6.96), mechanical ventilation (ORadj: 3.26; 95% CI: 2.08-5.11) and death (ORadj: 13.04; 95% CI: 6.25-27.24). Congestive heart failure (ORadj: 1.47; 95% CI: 1.06-2.02) and dementia (ORadj: 2.03; 95% CI: 1.46-2.83) were associated with increased odds of death, as well as the presence of more than two comorbidities (ORadj: 1.90; 95% CI: 1.35-2.68). Patients with COVID-19 of older age, male gender, or having more than two comorbidities are at higher risk of hospitalization, mechanical ventilation and death, and should therefore be closely monitored.

Original languageEnglish
Pages (from-to)907-915
Number of pages9
JournalJournal of Medical Virology
Issue number2
StatePublished - Feb 2021


  • COVID-19
  • New York City
  • comorbidities
  • mechanical ventilation
  • survival


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