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Table 4 Multi-loop traction device procedure (Expert endoscopist vs. Trainee endoscopist [n = 12]) in the ex vivo pilot study

From: Multi-loop traction device facilitates gastric endoscopic submucosal dissection: ex vivo pilot study and an inaugural clinical experience

  Expert (n = 6) Trainee (n = 6) p value M-ESD (Total) (n = 12)
Successful MLTD attachment rate (number of successful MLTD attachment/number of attempts for MLTD attachment) (%) 100 (6/6) 75 (6/8) 0.47 85.7 (12/14)
Finally successful MLTD attachment rate (%) 100 (6/6) 100 (6/6) NS 100 (12/12)
Rate of specimen retrieval (%) 100 (6/6) 100 (6/6) NS 100 (12/12)
MLTD attachment time (min); median (IQR) 2.0 (1.3–2.8) 3.0 (2.3–3) 0.31 2.5 (2–3)
MLTD extraction time (min); median (IQR) 1 (1–1) 1 (1–1.8) 0.14 1.0 (1–1)
  1. MLTD, multi-loop traction device; M-ESD, Multi-loop traction device-assisted ESD; IQR, interquartile range