Classification of liver rupture by CT scan according to AAST 1994 Liver rupture by CT scan Non-operative group Emergency surgery group Total (n = 50) Success Failed then Emergency surgery Grade II n (%) 16 (32, 0%) 2 (4, 0%) 1 (2, 0%) 19 (36, 0%) Grade III n (%) 18 (36, 0%) 4 (8, 0%) 3 (6, 0%) 25 (50, 0%) Grade IV n (%) 1 (2, 0%) 2 (4, 0%) 3 (6, 0%) 6 (12, 0%) Total n (%) 35 (70, 0%) 8 (16, 0%) 7 (14, 0%) 50 (100%) 13 Comments: There were 25 cases (50.0%) with level III liver trauma, 19 with grade II liver trauma (36.0%).