Comparison of the postoperative analgesic efficacy of pericapsular nerve group block (PENG) and anterior quadratus lumborum block in hip fracture surgery: A prospective randomized study.

Although the differences in rNRS and dNRS scores between groups did not reach statistical significance at any time points ( p > 0.05), the effect sizes (Cohen's d ) at 2nd postoperative hour were indicative of small clinical effects in favor of PENG block.

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