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Table 1 Clinicopathological characteristics of patients in the additional gastrectomy and observation groups after noncurative ESD

From: Evaluation of additional gastrectomy after noncurative endoscopic submucosal dissection for early gastric cancer

 

Additional gastrectomy

Observation

P

 

n = 100

%

n = 51

%

 

Age, median, range (years)

70 (38–87)

 

77 (53–94)

 

 < 0.001

Sex

    

0.337

  Male

76

76

35

68.6

 

  Female

24

24

16

31.4

 

ASA-PS

    

0.027

  I

5

5

0

0

 

  II

89

89

42

82.4

 

  III

6

6

9

17.6

 

Tumor location

    

0.545

  Upper

33

33

14

27.4

 

  Middle

28

28

19

37.3

 

  Lower

39

39

18

35.3

 

Tumor size, median, range(mm)

24 (8–95)

 

22 (5–110)

 

0.531

Histopathological type

    

0.499

  Differentiated

81

81

44

86.3

 

  Undifferentiated

19

19

7

13.7

 

Ulceration

     

  Negative

82

82

46

90.2

0.235

  Positive

18

18

5

9.8

 

Depth of invasion

    

0.606

  M

11

11

6

11.8

 

  SM1

9

9

2

3.9

 

  SM2

78

78

43

84.3

 

  MP

2

2

0

0

 

Lymphatic invasion

    

0.078

  Negative

57

57

37

72.5

 

  Positive

43

43

14

27.5

 

Vascular invasion

    

0.839

  Negative

78

78

39

76.5

 

  Positive

22

22

12

23.5

 

Horizontal margin

     

  Negative

94

94

49

96.1

0.718

  Positive

6

6

2

3.9

 

Vertical margin

     

  Negative

81

81

47

92.2

0.094

  Positive

19

19

4

7.8

 
  1. ESD: endoscopic submucosal dissection, ASA-PS American Society of Anesthesiologists physical status
  2. M mucosa, SM submucosa, MP musculus propria
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