Rescue opioid use within 48 h trended lower in epidural and regional groups but did not reach statistical significance on global testing (global P = 0.098, Table S2).
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Effects of epidural analgesia, regional blockade, and intravenous PCIA on early postoperative sleep disturbance and recovery outcomes after gastric and colorectal cancer surgery: a propensity score-based retrospective cohort study.
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0.0980
0.0980