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Table 1 Description of patient population

From: A cross-sectional study of global DNA methylation and risk of colorectal adenoma

  Normal Adenoma   
  n (%) n (%) Odds ratio (95% CI)
Indication for colonoscopy       
Positive family history* 171 (71%) 70 (29%) 1.00 referent
Positive FOBT** 33 (51%) 32 (49%) 2.37 (1.35-4.15)
Average risk screening 5 (45%) 6 (55%) 2.93 (0.87-9.92)
Sex       
Female 144 (80%) 36 (20%) 1.00 referent
Male 65 (47%) 72 (53%) 4.43 (2.70-7.28)
Age       
40-49 39 (71%) 16 (29%) 1.00 referent
50-54 65 (66%) 33 (34%) 1.24 (0.60-2.54)
55-59 56 (65%) 30 (35%) 1.31 (0.63-2.71)
60-65 49 (63%) 29 (37%) 1.44 (0.69-3.03)
  1. *Positive family history of cancer or adenoma.
  2. **Positive fecal occult blood test.
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