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Table 3 Replications of genotypic combinations analyses on stratifications of the patients and controls groups determined according to geographical origin and/or age.

From: Low-penetrance alleles predisposing to sporadic colorectal cancers: a French case-controlled genetic association study

 

Individuals originating from Vendée

Individuals ≤ 67 years

Individuals from Vendée ≤ 67 years

Genotypic combinations patterns

Controls (n = 189)

Cases (n = 420)

OR (95% CI)

p*

Controls (n = 768)

Cases (n = 529)

OR (95% CI)

p*

Controls (n = 134)

Cases (n = 232)

OR (95% CI)

p*

Reference pattern

14

29

1.00

 

65

31

1.00

 

12

16

1.00

 

Mixed patterns

171

359

0.92 (0.47–1.83)

 

676

460

1.42 (0.91–2.21)

 

120

195

1.15 (0.52–2.56)

 

Predisposing patterns

4

32

3.80 (1.10–13.19)

0.011

27

38

3.00 (1.56–5.77)

0.003

2

21

7.22 (1.38–37.80)

0.009

Reference and mixed patterns

185

388

1.00

 

741

491

1.00

 

132

211

1.00

 

Predisposing patterns

4

32

4.14 (1.42–12.08)

0.002

27

38

2.17 (1.31–3.61)

0.003

2

21

6.36 (1.44–28.09)

0.002

  1. OR calculations were all adjusted by age and sex.