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Table 5 Pathological characteristics of included studies

From: Laparoscopic versus open approach in gastrectomy for advanced gastric cancer: a systematic review

  LG OG LG OG LG OG
  Upper Middle Lower Upper Middle Lower T1 T2 T3 T4 T1 T2 T3 T4 N0 N1 N2 N3a N3b N0 N1 N2 N3a N3b
Zhang et al. [32]                         
Zhang et al. [40] 30 18 63 35 24 60                   
Zhao et al. [18]                         
Zhang et al. [38] 10 23 59 12 26 54                   
Xu et al. [49] 185 190 391 97 114 195   148 371 249   97 195 98 178 159 176 191 64 117 99 92 96 26
Xu et al. [39]                13 11 21 15 7 15 11 18 16 17
Wu et al. [31]                         
Wang et al. [48] 2 29 181 2 35 173 58 45 65 54 52 35 71 62 100 43 30 49 93 43 39 45
Shuang et al. [17]   21 14   22 13   15 20    13 22   23 5 7   19 11 5   
Shinohara et al. [27] 42 94 46 26 63 34 25 96 65   17 58 48   73 65 45 3 44 49 28 1  
Shi et al. [44] 35 46 81 35 39 86   30 132    35 125   47 61 35 19 33 66 40 21
Scatizzi et al. [16]   10 15   9 16 0 9 20 1 0 9 20 1 5 11 14   6 13 11   
Qiu et al. [29] 3 11 16 6 7 21                   
Park et al. [43]                         
Moisan et al. [23] 12 7 12 13 10 8 15 4 5 7 15 4 5 7 22 2 4 3 23 2 4 3
Lu et al. [37]                         
Lin et al. [26] 24 17 42 29 11 43   30 53    30 53   30 17 17 19 29 20 15 19
Li et al. [36]                         
Li et al. [36] 62 10 29 62 10 29                   
Li et al. [42]         108 252 99   152 473 231 138 88 100 104 29 190 170 183 219 94
Lee et al. [47]        140 104 137 132 127 114 137 120 226 96 90 64 9 222 103 73 74 26
Kinoshita et al. [46] 266 395 436 195 190 266   148 531 479   39 253 374           
Kim et al. [22] 14 18 56 18 16 53   44 26 18   41 23 24 50 16 17 5 46 10 21 11
Inokuchi et al. [41]                         
Huang et al. [14]                         
Hu et al [34]                214 87 88 129 216 79 98 126
Hao et al. [33] 108 162 358 101 165 313   218 410    196 383   188 134 306    144 135 300   
Hamabe et a. [21] 17 28 21 24 40 37 21 45    18 83             
Gordon et al. [25] 18 48   88 44                    
Fang et al. [28]         23 42 22 25 39 23   38 21 17 11 32 23 22 10
Cui et al. [30]                         
Chun et al. [20] 39 13   55 12           33 9 9 1 35 12 12 8
Chen et al. [19]         81 143    50 62   81 42 47 54 41 25 25 21
Chan et al. [45] 23 20 11 48 47 72 23 28 3    59 85 23 24 30     74 93    
Cai et al. [15]         24 25    21 26            
Bo et al. [24] 64 23 30 65 21 31 50 67     47 70   29 42 46    26 47 44   
  1. LG laparoscopic gastrectomy, OG open gastrectomy