What are tools used in assessing severity of acute pancreatitis?

Clinical Risk factor (Ages and Comorbidity,Clinical sign) Scoring Systems (Ranson score, APACHE-II, Other: Imrie/Gasglow score , SOFA) Biological marker (not routinely used, C-reactive Protein (CRP) : >150 at 48hr confirm Ac Severe Pan. IL-6 , PMN elastase , Trypsinogen Activation Peptide (TAP)) CT severity Index (CTSI) (Balthazar, Necrosis) Clinical Risk factor Ages and Comorbidity (Age > 70 yr, BMI >30 kg/m2, Cardiovascular disease, DM) Clinical sign (Fever, Shock, respiratory failure, Anuria, neurologic disturbance, Ileus, palpable abdominal mass, abdominal compartment syndrome > 25 mmHg (>15 mmHg = Abdominal Hypertension)