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1.
EuropePMC; 2020.
Preprint in English | EuropePMC | ID: ppcovidwho-325034

ABSTRACT

Background: A large-scale global outbreak of coronavirus disease-19 (COVID-19) out of Wuhan, from China, occurred in January 2020. Objective: To examine the clinical characteristics of COVID-19in infected patients out of Wuhan, from China. Patients and Methods: Thirteen patients were confirmed to be infected with novel coronavirus-2019 (2019-nCoV) between January 27andFebruary 8, 2020, in Baoji city, Shanxi, northwestern China. Epidemiological and clinical information, and computed to morphology imaging data from all COVID-19 patients were collected;cases were divided into two groups according to the severity of infection (mild or severe). Results: : Nine (9/13) COVID-19patientsexhibitedmild disease severity, and defined as second-generation, human-to-human transmission cases. Most patients (11/13) had a history of travel to or from Wuhan. There were no differences in sex and age between the mild and severe cases (all P >0.05). A moderate degree of fever (11/13), cough (13/13), and fatigue (8/13) were common symptoms;however, there was no statistical difference between mild and severe cases in this regard (all P >0.05). Oxyhemoglobin saturation and oxygenation index decreased, and C-reactive protein (CRP) and serum amyloid A (SAA) levels were elevated in all patients with COVID-19infection, with statistically significant differences between those with severe disease and mild infection (all P <0.05).Twelve of 13COVID-19patients exhibited changes in chest CT imaging features, and time course changes were different between mild and severe cases (all P <0.05). Conclusion: Most cases of COVID-19infection were second-generation human-to-human transmissions from Wuhan and were mild in severity. The clinical characteristics of COVID-19varied.Oxyhemoglobin saturation, oxygenation index, CRP and SAA levels, and CT features were reliable parameters to evaluate the severity of COVID-19 infection. However, a few patients with mild COVID-19diseaselackedtypicalcharacteristics such as fever and changes in CT imaging features.

4.
BMC Infect Dis ; 21(1): 207, 2021 Feb 24.
Article in English | MEDLINE | ID: covidwho-1102332

ABSTRACT

BACKGROUND: A large-scale global outbreak of coronavirus disease-19 (COVID-19) out of Wuhan, from China, occurred in January 2020. To examine the clinical characteristics of COVID-19 in infected patients out of Wuhan, from China. METHODS: Thirteen patients were confirmed to be infected with novel coronavirus-2019 (2019-nCoV) between January 27 and February 8, 2020, in Baoji city, Shannxi, northwestern China. Epidemiological and clinical information, and computed to morphology imaging data from all COVID-19 patients were collected; cases were divided into two groups according to the severity of infection (mild or severe). RESULTS: Nine (9/13) COVID-19 patients exhibited mild disease severity, and defined as second-generation human-to-human transmission cases. Most patients (11/13) had a history of travel to or from Wuhan. There were no differences in sex and age between the mild and severe cases (all P > 0.05). A moderate degree of fever (11/13), cough (13/13), and fatigue (8/13) were common symptoms; however, there was no statistical difference between mild and severe cases in this regard (all P > 0.05). Oxyhemoglobin saturation and oxygenation index decreased, and C-reactive protein (CRP) and serum amyloid A (SAA) levels were elevated in all patients with COVID-19 infection, with statistically significant differences between those with severe disease and mild infection (all P < 0.05). Twelve of 13 COVID-19 patients exhibited changes in chest CT imaging features, and time course changes were different between mild and severe cases (all P < 0.05). CONCLUSION: Most cases of COVID-19 infection were second-generation human-to-human transmissions from Wuhan and were mild in severity. The clinical characteristics of COVID-19 varied. Oxyhemoglobin saturation, oxygenation index, CRP and SAA levels, and CT features were reliable parameters to evaluate the severity of COVID-19 infection. However, a few patients with mild COVID-19 disease lacked typical characteristics such as fever and changes in CT imaging features.


Subject(s)
COVID-19/complications , SARS-CoV-2 , Adult , Aged , C-Reactive Protein/analysis , COVID-19/blood , COVID-19/epidemiology , Case-Control Studies , China/epidemiology , Female , Humans , Male , Middle Aged , Serum Amyloid A Protein/analysis , Tomography, X-Ray Computed
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