Abstract：Objective To compare the clinical characteristics of ordinary and severe coronavirus disease 2019 ( COVID-19 ) cases, so as to provide basis for the diagnosis, treatment and prognosis. Methods We recruited 77 COVID-19 cases in Wenzhou Central Hospital from January 15 to February 29, 2020, collected their general information, clinical symptoms, laboratory test and CT scan results, and compared the clinical features of ordinary and severe cases. Results There were 50 ordinary cases and 27 severe cases. The age, prevalence of hypertension and other baseline diseases of severe cases were higher than those of ordinary cases ( P<0.05 ) . The maximum body temperature during 1-3 days of hospitalization, proportion of body temperature rising, prevalence of cough, yellow phlegm, hemoptysis, chest tightness and shortness of breath of severe cases were higher than those of ordinary cases ( all P<0.05 ) . The proportion of pulmonary consolidation, glazing and patch shadow, the number of solid changes and the cumulative number of lesions of severe cases were higher than those of ordinary cases ( all P<0.05 ) . The values of LYM during 1-10 days of hospitalization, total T-lymphocyte percentage, CD4 count and percentage, CD8 count, Hb and oxygenation index of severe cases were lower than those of ordinary cases; while the values of LDH and NLR during 1-10 days of hospitalization, N8R, AST, ferritin, CRP during 1-7 days of hospitalization and D-dimer of severe cases were higher than those of ordinary cases ( all P<0.05 ). Conclusions Severe COVID-19 cases have older age, higher prevalence of baseline diseases, fever, shortness of breath symptoms, more lung consolidation and lesions, significantly decreased lymphocyte level ( especially CD4 ) , and increased LDH, NLR, ferritin and CRP.
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