Journal
BMC INFECTIOUS DISEASES
Volume 20, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12879-020-05144-x
Keywords
Coronavirus disease; Risk factor: symptom aggravation; Chilling; Fever; Diabetes
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Funding
- National Research Foundation of Korea - Korean government [NRF-2019M3E5D1A02068106]
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BackgroundCoronavirus disease (COVID-19) is rapidly spreading worldwide. Although 10-20% of patients with COVID-19 have severe symptoms, little is known about the risk factors related to the aggravation of COVID-19 symptoms from asymptomatic or mild to severe disease states.MethodsThis retrospective study included 211 patients who were asymptomatic or with mild presentations of COVID-19. We evaluated the differences in demographic and clinical data between the cured (discharged to home) and transferred (aggravated to severe-stage COVID-19) groups.ResultsA multivariate logistic analysis showed that body temperature, chills, initial chest X-ray findings, and the presence of diabetes were significantly associated with predicting the progression to severe stage of COVID-19 (p<0.05). The odds ratio of transfer in patients with COVID-19 increased by 12.7-fold for abnormal findings such as haziness or consolidation in initial chest X-ray, 6.32-fold for initial symptom of chills, and 64.1-fold for diabetes.ConclusionsEven if patients are asymptomatic or have mild symptoms, clinicians should closely observe patients with COVID-19 presenting with chills, body temperature>37.5 degrees C, findings of pneumonia in chest X-ray, or diabetes.
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