Postoperative pain after cholecystectomy: Conventional laparoscopy versus single-incision laparoscopic surgery.

J Minim Access Surg · 2011 · PMC3002001 · PMID 21197238

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did not reach statistical significanceno p-value reported

The mean pain score was lower in the SILS group (2.62) as compared to the CLS group (2.78) but the difference did not reach statistical significance.

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