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Table 1 Demographic and exposure factors of the intestinal and diffuse type gastric cancer cases

From: Geospatial analyses identify regional hot spots of diffuse gastric cancer in rural Central America

Characteristics

Overall population

Spatial analysis cases

Cases without village geocodesb

P value

Cancer Cases (N)

498

378

120

0.047

 Intestinal subtype

259 (52.0%)

187 (49.5)

72 (60)

 

 Diffuse subtype

239 (48.0%)

191 (50.5)

48 (40)

 

Age, mean (SD)

63.2 (13.8)

62.6 (13.9)

65.4 (13.6)

0.054

Gender

   

0.51

 Female (%)

168 (33.7)

131 (34.7)

37 (30.8)

 

 Male (%)

330 (66.3)

247 (65.3)

83 (69.2)

 

Family history GC (%)

0.81

 Yes (%)

33 (6.6)

26 (6.9)

7 (5.8)

 

 No (%)

448 (90.0)

340 (89.9)

108 (90.0)

 

 Not reported (%)

17 (3.4)

12 (3.2)

5 (4.2)

 

Alcohol history (ever)

   

0.72

 Yes (%)

107 (21.8)

79 (21.4)

28 (23.3)

 

 No (%)

373 (76.1)

284 (76.8)

89 (74.2)

 

 Not reported (%)

18 (3.6)

15 (4.0)

3 (2.5)

 

Smoking history (ever)

   

0.72

 Yes (%)

126 (24.1)

97 (26.6)

29 (24.8)

 

 No (%)

355 (73.6)

267 (73.2)

88 (75.2)

 

 Not reported (%)

17 (3.4)

14 (3.7)

3 (2.5)

 

H. pylori serodiagnosisa

385

286

99

0.82

 Positive N (%)

337 (87.5)

251 (87.8)

86 (86.9)

 

 Negative N (%)

48 (12.5)

35 (12.2)

13 (13.1)

 

H. pylori CagA antibodiesa

385

286

99

0.64

 Positive N (%)

361 (93.8)

267 (93.4)

94 (95.0)

 

 Negative N (%)

24 (6.2)

19 (6.6)

5 (5.0)

 
  1. aThe comparison P values refer to the spatial analysis cases with geocodes versus the excluded cases without the village-level (aldea) geocodes. bIn the initial study period, geocodes were at times limited to the municipality-level, without village-level data
  2. aH. pylori and CagA multiplex assay data were not available for all subjects in the study populations