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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