A 50-year-old male, presented to the emergency department with a chief complaint of severe abdominal pain. The pain was described as sharp, persistent, and localized to the upper abdomen with radiation to the back. It began abruptly 12 hours prior to his arrival, and had been steadily worsening. He reported feeling nauseous but had not vomited. Laboratory results confirmed the clinical suspicion with elevated levels of amylase at 450 U/L and lipase at 600 U/L, both indicative of pancreatic inflammation. Which of the following criteria is used to assess the severity of acute pancreatitis?
