univariate analyses.20 , 22 , 27 , 38 , 45 , 48 , 51 , 53 , 55 , 63 , 67 , 71 , 72 The study by Hajifathalian et al63 reported the results of multivariate analyses that included multiple variables and showed liver injury at presentation was associated with high risk for admission, as well as hig