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Table 1 Quality assessment of trials included in the present study (STROBE)

From: Clinical significance of palliative gastrectomy on the survival of patients with incurable advanced gastric cancer: a systematic review and meta-analysis

Author Treatment A B C D E F G H I
Kikuchi S [26] Palliative gastrectomy/other procedures P Y N Y Y Y Y N Y
Saidi RF [27] Palliative gastrectomy/no surgery Y Y P P Y N Y N P
Nazli O [28] Palliative gastrectomy/no surgery P Y N N Y N Y N N
Lin SZ [29] Palliative gastrectomy/unresectable operation/no surgery Y Y N P Y N Y N N
Lupascu C [30] Palliative gastrectomy/no surgery Y P N N Y N Y Y P
Zhang JZ [31] Palliative gastrectomy/no surgery Y P N Y Y N Y N Y
Sougioultzis S [32] Palliative gastrectomy/no surgery Y Y N Y Y N Y N P
Kim KH [33] Palliative gastrectomy/no surgery Y Y N Y Y Y Y N Y
Chang YR [34] Palliative gastrectomy/no surgery Y Y N Y Y Y Y N Y
Kokkola A [35] Palliative gastrectomy/exploration Y P N P Y P Y N Y
Chen S [36] Palliative gastrectomy/no surgery P Y N N Y N Y N P
Tokunaga M [37] Palliative gastrectomy/no surgery Y Y P Y Y N Y N Y
Miki Y [38] Palliative gastrectomy/no surgery P Y N Y Y N Y N Y
Dittmar Y [39] Palliative gastrectomy/unresectable operation/other procedures/no surgery Y Y P Y Y N Y N N
  1. A, Objectives and prespecified hypothesis in the introduction; B, Eligibility criteria of cohort in methods; C, Methods for recruitment of participant; D, Mention of outcomes, exposure, and confounder; E, Study size calculated; F, Potential biases addressed; G, Statistical methods described; H, Mention of how missing data was handled; I, Limitation of the study and the generalizations mentioned; Y, Yes; N, No; P, Partially.