Journal
RESPIRATORY MEDICINE
Volume 178, Issue -, Pages -Publisher
W B SAUNDERS CO LTD
DOI: 10.1016/j.rmed.2021.106314
Keywords
COVID-19; SARS-CoV-2; Hospital-acquired; Community-acquired
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Community-acquired and hospital-acquired COVID-19 exhibit similar mortality rates despite significant differences in baseline characteristics of the patient populations. Distinguishing between community- and hospital-acquired COVID-19 in future studies may provide a more accurate interpretation of results.
Background and objectives: Reports comparing the characteristics of patients and their clinical outcomes between community-acquired (CA) and hospital-acquired (HA) COVID-19 have not yet been reported in the literature. We aimed to characterise and compare clinical, biochemical and haematological features, in addition to clinical outcomes, between these patients. Methods: This multi-centre, retrospective, observational study enrolled 488 SARS-CoV-2 positive patients - 339 with CA infection and 149 with HA infection. All patients were admitted to a hospital within the University Hospitals of Morecambe Bay NHS Foundation Trust between March 7th and May 18th' 2020. Results: The CA cohort comprised of a significantly younger population, median age 75 years, versus 80 years in the HA cohort (P = 0.0002). Significantly less patients in the HA group experienced fever (P = 0.03) and breathlessness (P < 0.0001). Furthermore, significantly more patients had anaemia and hypoalbuminaemia in the HA group, compared to the CA group (P < 0.0001 for both). Hypertension and a lower median BMI were also significantly more pronounced in the HA cohort (P = 0.03 and P = 0.0001, respectively). The mortality rate was not significantly different between the two cohorts (34% in the CA group and 32% in the HA group, P = 0.64). However, the CA group required significantly greater ICU care (10% versus 3% in the HA group, P = 0.009). Conclusion: Hospital-acquired and community-acquired COVID-19 display similar rates of mortality despite significant differences in baseline characteristics of the respective patient populations. Delineation of community- and hospital-acquired COVID-19 in future studies on COVID-19 may allow for more accurate interpretation of results.
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