Routine Bloodwork Lymphocyte count Predicted the disease severity and the outcomes of hospitalized patients (Tan et al., 2020a).Prognostic value was confirmed in numerous studies (Huang et al., 2020d, Liu et al., 2020b, Song et al., 2020, Wang et al., 2020f, Wynants et al., 2020, Yan et al., 2020b, Yang et al., 2020b, Zhang et al., 2020c, Zhao et al., 2020d).Decreased continuously in non-surviving patients (Wang et al., 2020b).