¡ñ Among 417 COVID-19 patients in Shenzhen, demographic characteristics, clinical manifestations and baseline laboratory tests showed significant differences between mild-moderate cohort and severe-critical cohort.
¡ñ Based on these differences, a mathematical model was established to predict the illness severity of COVID-19. The model includes four variables: age, BMI, CD4+ lymphocytes and IL-6 levels. The AUC of the model is 0.911.
¡ñ The high risk factors on developing to severe COVID-19 are: age ¡Ý 55 years, BMI > 27 kg / m2, IL-6 ¡Ý 20 pg/ml and CD4 + T cell ¡Ü 400 count/¦Ì L.
¡ñ Among 249 discharged COVID-19 patients, those who recovered after 20 days had a lower platelet count, a higher level of estimated glomerular filtration rate, and a higher level of interleukin-6 and myoglobin than those who recovered within 20 days.
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