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. 2010 Dec 31;10(4):247–253. doi: 10.5230/jgc.2010.10.4.247

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Copyright © 2010 by The Korean Gastric Cancer Association

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1 — Operative time is displayed as a scatterplot and plotted a best fit line using the Loess fit method. The weight function used in the Loess method is the tricube weight function. The line shows the learning curve. (A) For ODG, the operation time decreased slightly after the second 10 ODGs and reached its plateau after the fifth 10 ODGs. (B) For LADG, the operation time decreased abruptly up to the second 10 LADGs and reached its plateau after the fifth 10 LADGs. ODG = open distal gastrectomy; LADG = laparoscopy-assisted distal gastrectomy.