For postoperative VAS score at 6 h, pairwise comparison showed that the ERCP experience group had a significantly better postoperative pain score than the novice group ( P = 0.001), whereas the difference between the non-ERCP experience group and the novice group did not reach statistical significance ( P = 0.063).
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Learning curve for endoscopic retrograde appendicitis therapy: a multicenter retrospective study with different levels of trainees.
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