2.9. Primary and Secondary Outcomes
nausea and vomiting, pain
Our primary outcomes were VAS pain scores at 1, 4, 8, 12, 24, and 48 hours postoperative and opioid analgesic requirements during the first 48 hours of the postoperative period. Secondary outcomes included nausea and vomiting incidence, non-opioid analgesic requirements, and variations in hemodynamic parameters.