 Data collection and statistical analysis Postoperative complications were recorded during hospitalization and the patients were followed up to 30 days after discharge. Data collected also included patient age, sex, body mass index BMI, ASA score, history of previous abdominal surgery, anesthesia and operation time and frequency of use of analgesic and antiemetic drugs. These parameters were summed and compared between the dexamethasone and placebo groups. The study endpoints were degree of postoperative nausea, vomiting, pain and fatigue and additional analgesic and antiemetic drugs. 