Research paper
Predictors of mortality in patients with COVID-19 infection in different health-care settings: A retrospective analysis from a CORACLE study group

https://doi.org/10.1016/j.idh.2022.05.006Get rights and content

Highlights

  • Confirmed prevalence of nosocomial acquired COVID-19 (NC) was 13%.

  • Patients with provenance from long-term care facilities (LTC) have higher mortality rate (50.8%).

  • Timing of diagnosis was significantly different between hospital acquired and LTC NC (3.5 vs 10 days, p < 0.001).

Abstract

Background

Despite the large number of hospitalized patients affected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, few data are available about risk factors and mortality in subjects with nosocomially acquired respiratory infection of Coronavirus Disease 2019 (COVID-19).

Methods

We retrospectively evaluated in a multicentric study -during the pre-vaccination era-all patients admitted with confirmed diagnosis of nosocomial COVID-19 (NC). Patients were classified according to provenance: hospital-acquired NC or long-term care (LTC) facilities.

Results

Among overall 1047 patients evaluated with COVID-19, 137 had a confirmed diagnosis of NC (13%). 78 (56.9%) patients had hospital-acquired NC and 59 (43%) had LTC NC. Overall mortality was 35.8%, in hospital-acquired NC 24.4%, in LTC NC 50.8% (p < 0.001) (Log Rank test: p = 0.001). Timing of diagnosis was significantly different between hospital acquired and LTC NC (3.5 vs 10 days, p < 0.001). In multivariate analysis age, intensive-care unit admission, LTC provenance and sepsis were significant predictors of mortality in patients with NC infection.

Conclusion

Patients with NC are at higher risk of mortality (especially for LTC NC) and required preventive strategies, early diagnosis, and treatment to avoid COVID-19 cluster.

Keywords

COVID-19
SARS-CoV-2
Hospital infection
Nosocomial
Mortality
Long-term care

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