ALB and parasitic infectious disease: where ΔALB is the variation of albumin (g/L), ΔCREA is the variation of creatinine (μmol/L), ΔFERR is the variation of ferritin (ng/ml), ΔGHB is the variation of α-hydroxybutyrate dehydrogenase (U/L), Par is parasitemia (μl), and ΔUREA is the variation of urea (mmol/L).