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Table 1 Demographics and clinic-pathologic characteristics (n = 139)

From: Impact of preoperative risk factors on outcome after gastrectomy

Characteristics

Number of patients

Percentage

Preoperative tumor findings

 Mean age

64 (24–91) years old

 Gender

  Male

96

69.1%

  Female

43

30.9%

 Localization

  Cardia

38

27.3%

  Corpus

55

39.2%

  Fundus

3

2.2%

  Antrum/pylorus

43

30.9%

 Histology

  Adenocarcinoma

138

99.3%

  Adenosquamous carcinoma

1

0.7%

 Laurén-classification

  Intestinal

54

38.8%

  Diffuse

58

41.7%

  Mixed

12

8.6%

 Tumor stage

  uT1

16

11.5%

  uT2

38

27.3%

  uT3

72

51.8%

  uT4

9

6.5%

 Nodal stage

  uN positive

69

49.6%

  uN negative

69

49.6%

 Metastasis

  M0

126

90.6%

  M1

11

7.9%

  Mx

2

1.4%

 Mean tumor size

3 (0.2–30) cm

 Neoadjuvant therapy

  Yes

57

41%

  No

82

59%

Treatment

 Response to neoadjuvant therapy (n = 57)

  Clinical response (yes)

43

75.4%

  Clinical response (no)

14

24.6%

  Pathologic response (yes)

31

54%

  Pathologic response (no)

26

45.6%

 Intention

  Curative

120

86.3%

  Palliative

19

13.7%

 Timing

  Elective

138

99.3%

  Emergency

1

0.7%

 Procedure

  Subtotal

32

23%

  Gastrectomy

82

59%

  Extended

25

18%

 Intraoperative blood loss

  ≤ 100 ml

41

29.5%

  101–500 ml

66

47.5%

  501–1000 ml

29

20.9%

  ≥ 1001 ml

3

2.2%

 Anastomosis

  Stapler

96

69.1%

  Hand suture

43

30.9%

Postoperative tumor findings

 Tumor stage

  (y)pT0

6

4.3%

  (y)pTis

1

0.7%

  (y)pT1

26

18.7%

  (y)pT2

30

21.6%

  (y)pT3

47

33.8%

  (y)pT4

29

20.9%

 Nodal stage

  N0

62

44.6%

  N1

35

25.2%

  N2

16

11.5%

  N3

26

18.7%

 Metastasis

  M0

122

87.8%

  M1

15

10.8%

 Resection margin

  R0

122

87.8%

  R1

15

10.8%

  R2

2

1.4%

 Histological grading

  G0

7

5%

  G1

4

2.9%

  G2

25

18%

  G3

93

66.9%

 Lymph nodes removed (mean)

23 (4–60)

  Lymph node invasion

  L0

87

62.6%

  L1

45

32.4%

 Invasion into vein

  V0

113

81.3%

  V1

19

13.7%

Median hospital stay (range)

14 (1–120) days

In-hospital mortality

4

2.9%

Survival rate

5.6 years

Recurrence (n = 120)

 Yes

41

36.9%

 No

69

62.2%

Recurrence-free survival

3.4 years