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Table 1 Frequency distributions of variables in gastric cancer cases and controls.

From: The MLH12101C>A (Q701K) variant increases the risk of gastric cancer in Chinese males

Variables

Cases

Controls

P a

Number

236

240

 

Age (years)

  

0.997

≤ 49

19 (8.1%)

19 (7.9%)

 

50-59

65 (27.5%)

65 (27.1%)

 

60-69

94 (39.8%)

98 (40.8%)

 

≥ 70

58 (24.6%)

58 (24.2%)

 

Gender

  

0.915

Male

178 (75.4%)

180 (75.0%)

 

Female

58 (24.6%)

60 (25.0%)

 

Family history

   

Familial recurrence for gastric cancer (F)b

6 (2.5%)

  

Low familial recurrence for gastric cancer (LF)c

39 (16.5%)

  

Young age (< 50) of sporadic disease (Y)

16 (6.8%)

  

Old age (≥ 50) of sporadic disease (S)

175 (74.2%)

  

Tumor type (Available for 162 cases)

   

Poorly differentiated

64 (39.5%)

  

Moderately differentiated

69 (42.6%)

  

Well differentiated

29 (17.9%)

  
  1. a Two-sided χ2 test;
  2. b Individuals with gastric cancer and two or more first-degree relatives with gastric cancer or related cancers;
  3. c Individuals with gastric cancer and one first-degree relative with gastric cancer or related cancers.