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Table 3 Clinical and demographic characteristics of cases and controls

From: The rs9953490 polymorphism of DAL-1 gene is associated with gastric cancer risk in the Han population in Northeast China

Variables

Case, n (%)

Control, n (%)

Pa

All subjects

505 (100.0)

544 (100.0)

 

 Age

23–92

25–87

0.105

 Meanb

59.08 ± 10.55

58.33 ± 11.55

 

 ≤ 50

107 (21.2)

129 (23.7)

 

 51–60

156 (30.9)

166 (30.5)

 

 61–70

168 (33.3)

170 (31.3)

 

 ≥ 71

74 (14.6)

79 (14.5)

 

Gender

  

0.404

 Male

370 (73.3)

386 (71.0)

 

 Female

135 (26.7)

158 (29.0)

 

Smoking status

  

 < 0.0001*

 Never

239 (47.3)

418 (76.8)

 

 Ever

266 (52.7)

126 (23.2)

 

Drinking status

  

 < 0.0001*

 No

305 (60.4)

415 (76.3)

 

 Yes

200 (39.6)

129 (23.7)

 

Pack-years

  

 < 0.0001*

 0

239 (47.4)

418 (76.8)

 

 ≤ 25

77 (15.2)

27 (5.0)

 

 > 25

189 (37.4)

99 (18.2)

 

Neoplasia location

 GCA

70 (13.9)

 

 NGCA

434 (85.9)

 

 ELSE

1 (0.2)

 

Lauren’s classification

 Intestinal

203 (40.2)

 

 Diffuse

71 (14.1)

 

 Mixed

81 (16.0)

 

 Else

150 (29.7)

 

TNM stageI

 I

87 (17.2)

 

 II

156 (30.9)

 

 III

128 (25.3)

 

 IV

65 (12.9)

 

 Else

69 (13.7)

 

Family history of cancer

 None

398 (78.8)

 

 Gastric cancer

42 (8.3)

 

 Other cancer

65 (12.9)

 
  1. GCA gastric cardia adenocarcinoma, NGCA non-gastric-cardia adenocarcinoma
  2. *indicate statistically significant data
  3. aTwo-sided χ2 test for distributions between cases and controls
  4. bData are mean ± SD