International Journal of Medical Sciences

The Pearson χ2 test and Fisher’s exact test were used to analyze categorical variables. To assess the association of clinical variables with hospital LOS in the COVID-19 patients, we first screened gender, age, smoking history, white blood cell (WBC), lymphocyte, d-dimer, and interleukin-6 (IL-6), which are reported to be related to prognosis. ................
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