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Table 3 Clinicopathological features according to the vertical location of early gastric cancer

From: Clinicopathologic characteristics of early gastric cancer according to specific intragastric location

Variables

Upper third

(n = 64, 9.9%)

Middle third

(n = 210, 32.6%)

Lower third

(n = 370, 57.5%)

P-value

Size (cm)

2.77 ± 2.09

2.96 ± 2.06

2.21 ± 1.54

< 0.001

Age (years)

63.56 ± 12.46

60.28 ± 11.70

64.24 ± 11.11

< 0.001

Sex

   

0.249

 Male

52 (81.3)

149 (71.0)

266 (71.9)

 

 Female

12 (18.8)

61 (29.0)

104 (28.1)

 

pT stage

   

0.001

 1a

30 (46.9)

134 (63.8)

261 (70.5)

 

 1b

34 (53.1)

76 (36.2)

109 (29.5)

 

Gross type

   

0.263

 Elevated

18 (28.1)

40 (19.0)

87 (23.5)

 

 Flat

27 (42.2)

91 (43.3)

136 (36.8)

 

 Depressed

19 (29.7)

79 (37.6)

147 (39.7)

 

Histologic typea

   

< 0.001

 WD

29 (46.0)

67 (32.1)

168 (46.0)

 

 MD

16 (25.4)

47 (22.5)

127 (34.8)

 

 PD / Signet ring cell carcinoma

18 (28.6)

95 (45.4)

70 (19.2)

 

Lymphatic invasion

6 (9.4)

21 (10.0)

42 (11.4)

0.823

Venous invasion

0 (0)

3 (1.4)

4 (1.1)

0.628

Perineural invasion

1 (1.6)

1 (0.5)

4 (1.1)

0.658

Adenomatous background

12 (18.8)

30 (14.3)

53 (14.3)

0.636

Lymph node metastasisb

2 (5.4)

12 (9.3)

20 (12.2)

0.420

  1. Data are presented as number (%) or mean ± standard deviation
  2. SD standard deviation, WD well differentiated, MD moderately differentiated, PD poorly differentiated
  3. aMucinous adenocarcinoma and carcinoma with lymphoid stroma were excluded from this analysis
  4. bLymph node metastasis was analyzed in only 310 gastrectomy specimens