The immediate postoperative VAS score ( 1.46 + / - 0.41 vs 2.0 + / - 0.61 , p = 0.03 ) , opioid consumption ( 0.42 + / - 0.36 vs 0.65 + / - 0.28 , p = 0.0133 ) , and 24-h opioid consumption ( 1.02 + / - 0.80 vs 1.48 + / - 0.84 , p = 0.05 ) were significantly reduced following IPA compared to those of the control group .
