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Table 1 Study characteristics for the included studies

From: Prognostic significance of Cdx2 immunohistochemical expression in gastric cancer: a meta-analysis of published literatures

Autor (year-country) Total number of patients Median age (range) Male: Female Adequacy of antibody methods Blinding of Cdx2 evaluation
  Cdx2 positive Cdx2 negative   Cdx2 positive Cdx2 negative   
Ge [34] 59 107 52.2 37:22 51:56 Yes Yes
(2008-china)    (32–72)     
Okayama [14] 55 80 63.4 46:9 45:35 Yes Yes
(2009-Japan)    (31–87)     
Kim [5] 150 109 57.8 114:36 61:48 Yes Yes
(2006- Korea)        
Roessler [15] 109 81 61.1 57:52 33:48 Yes Yes
(2005-Germany)        
Fan [16] 40 69 59 33:7 42:27 Yes Yes
(2005-china)    (29–82)     
Bai [17] 36 55 62.78 28:8 43:12 Yes Yes
(2007-china)    (19–87)     
Zhang [27] 57 52 62.43 Unclear Unclear Yes Yes
(2009-Japan)        
Zhou [28] 49 81 52 40:9 49:32 Yes Unclear
(2006-china)    (34–73)     
Hu [29] 27 25 57 Unclear Unclear Yes Unclear
(2009-china)    (35–78)     
Liu [30] 25 25 53.2 20:5 18:7 Yes Yes
(2007-China)    (38–74)     
Oz [26] 37 33 64.62 Unclear Unclear Yes Yes
(2011-Turkey)    (26–80)     
Qin [12] 41 44 61.75 30:11 30:14 Yes Yes
(2012-China)    (20–87)     
Chu [31] 30 37 61 23:7 26:11 Yes Yes
(2011-china)    (35–87)