The adjusted RD patterns showed a small trend favouring acetaminophen at rest and TEA during coughing; however, the confidence intervals at all time points were wide and crossed zero, indicating no statistically significant difference between groups ( Fig.
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Scheduled intravenous acetaminophen versus thoracic epidural analgesia for postoperative pain control after minimally invasive gastrectomy: multicentre randomized non-inferiority trial.
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