Table 10: Mortality in Selected Studies Study N Mortality MARS (%) Mortality Controls Time Odds Ratio (OR) Acute on Chronic Liver Failure Mitzner et al. [60] 13 63 100 7 days 0.63 Heemann et al. [41] 24 50 67 6 months 0.75 Sen et al..[42] 18 56 56 3 months 1 Hassanein et al.