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Table 2 Prevalence and odds ratios for gene promoter hypermethylation in sputum

From: Analysis of aberrant methylation on promoter sequences of tumor suppressor genes and total DNA in sputum samples: a promising tool for early detection of COPD and lung cancer in smokers

Gene

CTR 1

COPD

     
 

No. Pos (%)

No. Pos (%)

OR (95% CI)

P

LC No. Pos (%)

OR (95% CI)

P

P16

3 (9)

16 (70)

22.9 (5.2-100.7)

0.0001

19 (73)

27.1 (6.2-118.0)

0.0001

CDH1

10 (32)

10 (45)

1.8 (0.6-5.4)

0.3950

9 (35)

4.0 (1.3-12.0)

0.0173

MGMT

2 (6)

15 (65)

29.1 (5.5-154.1)

0.0001

17 (65)

29.3 (5.7-151.4)

0.0001

  1. Pos: Positive.
  2. 1Reference Group.