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Table 4 Characteristics of the patients and controls.

From: Association of IL-1beta gene polymorphism with cachexia from locally advanced gastric cancer

  

Cancer (n = 214)

Contr. (n = 230)

P

Sex (M/F)

127/87

140/90

0.743

Age (year)

56.4 ± 14.3

55.0 ± 13.5

0.280

Smoking status

never

85 (39.7%)

95 (41.3%)

0.714

 

Ex-

32 (15.0%)

39 (17.0%)

 
 

current

97 (45.3%)

96 (41.7%)

 

Helicobacter pylori infection

125 (58.4%)

*124 (59.9%)

0.756

Poor drinking water (well water)

31 (14.5%)

22 (9.6%)

0.110

  1. * Twenty-three controls missed. No significant association was found between the frequency of smoking status, poor drinking water status and Helicobacter pylori infection. The two groups were matched for age and sex.