Prognostic scoring system	Associated outcomes	Positive LR	Negative LR
APACHE II score ≥ 8 at 24 hours	Need for intensive care unit, severity, secondary pancreatic infection, pancreatic necrosis, mortality, organ failure, and longer hospital stay	1.7 to 4.0	0.25
Imrie score ≥ 3	Mortality, severity, pancreatic fluid collections	4.6	0.36
Ranson's criteria score > 3 at 48 hours	Major complications, severity, organ failure, pancreatic necrosis, mortality, longer hospital stay	2.4 to 2.5	0.47