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Table 1 Clinicopathological profiles of patients with GC from Eastern Europe, China, and Japan

From: Non-CpG sites preference in G:C > A:T transition of TP53 in gastric cancer of Eastern Europe (Poland, Romania and Hungary) compared to East Asian countries (China and Japan)

 

Eastern Europe

China

Japan

 

n = 188

 

n = 133

 

n = 268

 

p-valuec

Age

 Mean

62.6

 

61.2

 

63.7

 

0.02

 Range

22-98

 

40-77b

 

25-85

  
 

n

%

n

%

n

%

p-valued

Sex

 Male

190

66.2

96

74.4

166

69.7

 

 Female

97

33.8

33

25.6

72

30.3

 

 Unknown

1a

 

4

 

30

  

Subtype

 Diffuse

127

44.1

69

51.9

150

56.0

2 × 10−5

 Intestinal

161

55.9

60

45.1

83

31.0

 

 Others or unknown

  

4

3.0

35

13.1

 
  1. aThe sex information was not available in one case from Eastern Europe
  2. bThe ages of two Chinese cases (one male, one female) were unknown
  3. c P-value of the t-test for the ages between China and Japan
  4. d P-value of the χ2 test for histological subtypes among the three groups: Eastern Europe, China, and Japan