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Fig. 1 | BMC Surgery

Fig. 1

From: Usefulness of the endoscopic surgical skill qualification system in laparoscopic colorectal surgery: short-term outcomes: a single-center and retrospective analysis

Fig. 1

Two hundred forty-one patients with colorectal cancer underwent laparoscopic surgery. We excluded patients with the following: simultaneous resection of the other organs (n = 15), two or more colon resections (n = 2), and robot-assisted surgery (n = 4). We divided remaining patients into two groups: QS group (n = 170) and NQS group (n = 50). Surgical team in QS group included a lead surgeon, assistant, or camera operator. In the QS group, 118 surgeries were performed with QS, and there was either an assistant or camera operator in 52 surgeries. For the NQS group, no ESSQS-qualified surgeons participated

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