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Table 1 Clinicopathological characteristics

From: Laparoscopy-assisted gastrectomy with D2 lymph node dissection for advanced gastric cancer without serosa invasion: a matched cohort study from South China

Characteristics

Laparoscopy-assisted gastrectomy group (n = 83)

Open gastrectomy group (n = 83)

P

Gender

  

1.000

 Male

12

12

 

 Female

71

71

 

Age(years)

61.6 ± 10.3

61.1 ± 10.5

0.777

Tumor diameter (cm)

4.6 ± 2.1

4.4 ± 2.2

0.631

Body mass index (kg/m2)

22.3

21.5

0.113

Tumor location

  

0.565

 Upper

24

29

 

 Middle

17

11

 

 Lower

42

43

 

Depth of invasion

  

1.000

 T2

30

30

 

 T3

53

53

 

pN stage

  

0.943

 N0

30

29

 

 N1

17

20

 

 N2

17

15

 

 N3

19

19

 

Tumor-node-metastasis stage

  

0.958

 Ib

16

16

 

 IIa

19

18

 

 IIb

16

20

 

 IIIa

15

13

 

 IIIb

16

17

 

Pathology

  

0.617

 Differentiated

28

25

 

 Undifferentiated

55

58

 

 Gastrectomy extent

  

1.000

 Total gastrectomy

37

37

 

 Distal gastrectomy

46

46

 

Reconstruction

  

0.175

 BillrothI

37

26

 

 BillrothII

6

10

 

 Roux-en-Y

40

47

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