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Table 1 Patient and tumor characteristics by tumor location

From: Insufficient lymph node assessment in gastric adenocarcinoma

Characteristics

Tumor location (%)

P value

Proximal

Distal

Diffuse

Total

Gender

    

0.298

 Male

124 (42.8)

137 (47.2)

29 (10)

290 (100)

 

 Female

50 (35.0)

77 (53.8)

16 (11.2)

143 (100)

 

Age

    

0.463

 Median (range)

60 (27–84)

58 (21–82)

59 (26–84)

60 (21–88)

 

Histologic form

    

< 0.001

 Diffuse type

68 (39.8)

73 (42.7)

30 (17.5)

171 (100)

 

 Intestinal type

96 (41.9)

122 (53.3)

11 (4.8)

229 (100)

 

T stage

    

0.250

 1

4 (21.1)

13 (68.4)

2 (10.5)

19 (100)

 

 2

21 (44.7)

25 (53.2)

1 (2.1)

47 (100)

 

 3

103 (40.9)

122 (48.4)

27 (10.7)

252 (100)

 

 4

32 (36.8)

43 (49.4)

12 (13.8)

87 (100)

 

N stage

    

0.641

 No

49 (45.8)

47 (43.9)

11 (10.3)

107 (100)

 

 N1

32 (45.0)

30 (42.3)

9 (12.7)

71 (100)

 

 N2

36 (36.4)

54 (54.5)

9 (9.1)

99 (100)

 

 N3

37 (41.1)

40 (44.5)

13 (14.4)

90 (100)

 

Tumor grade

    

0.027

 Well differentiated

42 (47.7)

43 (48.9)

3 (3.4)

88 (100)

 

 Moderately differentiated

59 (41.6)

74 (52.1)

9 (6.3)

142 (100)

 

 Poorly differentiated

69 (36.9)

92 (49.2)

26 (13.9)

187 (100)

 

Lymphatic-vascular invasion

    

0.055

 Negative

52 (46.4)

54 (48.2)

6 (5.4)

112 (100)

 

 Positive

110 (37.0)

150 (50.5)

37 (12.5)

297 (100)

 

Perineural invasion

    

0.388

 Negative

61 (43.6)

67 (47.8)

12 (8.6)

140 (100)

 

 Positive

100 (37.3)

137 (51.1)

31 (11.6)

268 (100)

 

Tumor size

    

0.016

 ≤ 6 cm

101 (38.4)

142 (54.0)

20 (7.6)

263 (100)

 

 > 6 cm

56 (45.2)

50 (40.3)

18 (14.5)

124 (100)

 

Surgical margin status

    

0.292

 Free

113 (38.4)

152 (51.7)

29 (9.9)

295 (100)

 

 Involved

47 (44.8)

45 (42.8)

13 (12.4)

105 (100)

 

Total LN examined

    

0.099

 Median (range)

9 (0–48)

7 (0–55)

11 (0–45)

8 (0–55)

 

Adequate LN examined

    

0.092

 Inadequate (< 16 LNs)

131 (38.5)

177 (52.1)

32 (9.4)

340 (100)

 

 Adequate (≥ 16 LNs)

43 (46.2)

37 (39.8)

13 (14.0)

93 (100)

 
  1. LN lymph node