CT severity index is a measure for

Computed Tomography severity index(CTSI) for acute pancreatitis CTSI= Balthazar grade score + necrosis score Highest attainable score =10 CTSI score 0-3: Moality 3%,Morbidity 8% 4-6: Moality 6%, Morbidity 35% 7-10: Moality 17%, Morbidity 92% Refer CTSI table Ref: Sabiston 20th edition Pgno :1527