In a new study from the University of Oxford, researchers found that people who had been hospitalized for COVID-19—and survived for at least one week after discharge—were more than twice as likely to die or be readmitted to the hospital in the next several months.
Previous research has suggested that people with COVID-19 may face a greater risk of health issues for several months following their initial infection.
In the study, the team focused on those who had been hospitalized for the disease.
They conducted a statistical analysis of electronic health records from the database OpenSAFELY, evaluating data on nearly 25,000 patients who had been discharged after being hospitalized for COVID-19 in 2020, and for comparison, more than 100,000 members of the general population.
They found that people who had been hospitalized for COVID-19 and lived for at least one week after discharge had twice the overall risk of hospital readmission or death in subsequent months.
They also faced nearly five times the risk of death from any cause.
In order to account for risks after hospitalization for infectious disease, the researchers also considered data from more than 15,000 people who had been hospitalized for influenza in 2017-19.
They found that, compared to the influenza patients, COVID-19 patients faced a slightly lower combined risk of hospitalization or death overall.
However, people who had been hospitalized for COVID-19 had a greater risk than influenza patients of death from any cause, a greater risk of hospital readmission or death resulting from their initial infection, and a greater risk of death due to dementia.
Overall, these findings align with other research showing increased risks of subsequent health issues for people who have had COVID-19.
The authors suggest these risks could be mitigated by policies to increase monitoring of COVID-19 patients after discharge and to raise awareness of potential complications.
If you care about Covid, please read studies about who has the highest risk of heart damage in COVID-19, and COVID-19 pills that may change everything.
For more information about Covid, please see recent studies about antibodies that can neutralize Omicron, and results showing this drug treatment may prevent COVID death and lung damage.
The study is published in PLOS Medicine and was conducted by Krishnan Bhaskaran et al.
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