II. Criteria: CT Score
III. Criteria: Necrosis Score
- Score 0: No necrosis
- Score 2: Necrosis <33%
- Score 4: Necrosis 33% to 50%
- Score 6: Necrosis 50% or more
IV. Interpretation
- Based on total = CT Score + Necrosis Score
- CT Severity Index Score 5 or greater (compared with score <5)
- Longer length of hospitalization
- Mortality increased 15 fold