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Table 1 Baseline characteristics of studies included in the meta-analysis

From: Laparoscopic versus open gastrectomy for gastric cancer

Author yearCountryStudy periodTumor stageGastrectomy typeLNDGroupCasesAgeM/FFollow-up (months)
Kitano 2002 [32]Japan1998.11–2001.3EGCDGNALG OG14 1463.2 60.19/5 8/424.3 18.8
Hayashi 2005 [28]Japan1999.12–2001.11EGCDGD1LG OG14 1456 629/4 13/139 45
Huscher 2005 [30]Italy1992.11–1996.2EGC, AGCDGD1, D2LG OG30 2963.2 63.618/12 21/852.2 49.7
Lee 2005 [33]Korea2001.11–2003.8EGCDGD2, DSLLG OG24 2356.6 59.511/13 15/814 14
Cai 2011 [25]China2008.3–2009.12AGCPG, DG, TGD2LG OG49 4760.2 60.339/10 37/1022.1 22.1
Hu 2012 [26]China2009.1–2011.5EGC, AGCDGNALG OG41 4160.9 64.320/21 21/201 1
Takiguchi 2013 [36]Japan2003.7–2006.1EGCDGD1LG OG20 2061.5 62.512/8 13/760 60
Cui 2015 [27]China2010.11–2012.9EGC, AGCPG, DG, TGD2LG OG128 14260.1 57.588/40 98/441 1
Hu 2016 [29]China2012.9–2014.12AGCDG, TGD2LG OG519 52056.5 55.8380/139 346/1741 1
Kim 2016 [11]Korea2006.2–2010.8EGC, AGCDG, TGD1, D2LG OG644 61256.8 57.8425/219 412/2001 1
Yamashita 2016 [38]Japan2005.11–2008.2EGCDGDSLLG OG31 3258 6117/14 25/763 63
Luo 2017 [40]China2008.5–2012.4AGCDGD2LG OG62 6264.0 64.042/20 43/1936 36
Zhou 2017 [39]China2012–2015EGCPG, DG, TGD1, D2LG OG100 10053.2 53.150/50 50/5060 60
Shi 2017 [35]China2010.1–2012.6AGCPG, DG, TGD2LG OG162 16055.2 55122/40 105/551 1
Katai 2017 [31]Japan2010.3–2013.11EGC, AGCDG, PPGD1, D2LG OG457 45563 64289/173 275/1841 1
Wang 2018 [37]China2014.3–2017.8AGCDG, TGD2LG OG222 22059.4 60.6144/78 133/871 1
Park 2018 [34]Korea2010.6–2011.11AGCDGD2LG OG100 9658.6 60.169/31 65/3138.2 38.2
  1. EGC early gastric cancer, AGC advanced gastric cancer, LND lymph node dissection, PG proximal gastrectomy, DG distal gastrectomy, TG total gastrectomy, PPG pylorus preserving gastrectomy, DSL dissecting selected lymph nodes, M male, F female