2.5. Variables and Measurements
nausea and vomiting
COMPLICATIONS
We collected data from electronic records during the patients' hospital and intensive care unit admission, including demographics of gender, age, underlying medical conditions, and admission diagnosis; Visual Analog Scale (VAS) levels; postoperative opioid and NSAIDs requirements; postoperative incidences of nausea and vomiting and other complications; type of surgery; and length of hospital stay.