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Table 3 Gender and age at time of endoscopy as predictors of duodenal or gastric polyps

From: Variables affecting penetrance of gastric and duodenal phenotype in familial adenomatous polyposis patients

 

Sum diameter of duodenal polyps

Gastric polyp count

All participants (n = 150)

 Gender: Male % (n)

42% (n = 62)

Chi sq. = 0.63

p-value = 0.4259

Chi sq. = 0.28

p-value = 0.5991

 Age at Endoscopy

Median (Q1-Q3)

Spearman = 0.14

p-value = 0.0873

Spearman = 0.19

p-value = 0.0191

Exclude current smokers (n = 128)

 Gender: Male % (n)

41% (n = 53)

Chi sq. = 0.3685

p-value = 0.5438

Chi sq. = 0.3022

p-value = 0.5825

 Age at Endoscopy

Median (Q1-Q3) Spearman = 0.12

p-value = 0.1643

Spearman = 0.21

p-value = 0.0197

 

Exclude NSAID use in past 3 months (n = 133)

 Gender: Male % (n)

41% (n = 55)

Chi sq. = 1.0689

p-value = 0.3012

Chi sq. = 0.3216

p-value = 0.5706

 Age at Endoscopy

Median (Q1-Q3) Spearman = 0.12

p-value = 0.1643

Spearman = 0.21

p-value = 0.0197

 

Exclude non-genetic testers (n = 140)

 Gender: Male % (n)

41% (n = 55)

Chi sq. = 1.0689

p-value = 0.3012

Chi sq. = 0.3216

p-value = 0.5706

 Age at Endoscopy

Median (Q1-Q3) Spearman = 0.12

p-value = 0.1643

Spearman = 0.21

p-value = 0.0197