A 56-year-old male presents to the emergency department with severe epigastric pain radiating to his back. The pain started suddenly after a large meal the previous evening and is associated with nausea and vomiting. The patient has a history of alcohol use disorder, with daily alcohol consumption for the past 10 years. On examination, he appears distressed, with tenderness in the epigastrium and mild abdominal distension. His vital signs reveal a heart rate of 110 bpm and blood pressure of 95/60 mmHg. Initial laboratory tests are ordered and the patient is evaluated using Ranson’s criteria on admission. Which of the following parameters is part of Ranson’s criteria on admission?
