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Table 4 Odds ratios for CMH in sex stratified adjusted* analyses

From: Increased methylation of lung cancer-associated genes in sputum DNA of former smokers with chronic mucous hypersecretion

Males

LSC n = 227

PLuSS n = 183

Combined n = 410

Exposure variable

OR

(95 % CL)

p value

OR

(95 % CL)

p value

OR

(95 % CL)

p value

Total methylation

1.23

(1.07, 1.41)

0.004**

1.28

(1.07, 1.54)

0.008

1.23

(1.11, 1.37)

<.0001**

SULF2

2.72

(1.51, 4.91)

0.001**

2.97

(1.48, 5.95)

0.002**

2.73

(1.75, 4.25)

<.0001**

p16

2.08

(1.01, 4.28)

0.048

1.66

(0.71, 3.89)

0.246

1.88

(1.09, 3.23)

0.023

JPH3

2.64

(1.43, 4.87)

0.002**

2.70

(0.96, 7.59)

0.059

2.66

(1.58, 4.48)

<.0001**

PCDH20

1.68

(0.94, 2.98)

0.079

2.29

(1.15, 4.53)

0.018

1.89

(1.22, 2.93)

0.004**

Females

LSC n =  673

PLuSS n =  307

Combined n =  980

Exposure variable

OR

(95 % CL)

p value

OR

(95 % CL)

p value

OR

(95 % CL)

p value

Total methylation

1.04

(0.96, 1.14)

0.324

1.08

(0.93, 1.25)

0.322

1.05

(0.98, 1.13)

0.188

SULF2

1.41

(0.97, 2.05)

0.074

1.72

(0.96, 3.07)

0.066

1.47

(1.07, 2.01)

0.016

p16

1.25

(0.79, 1.99)

0.342

1.76

(0.91, 3.40)

0.091

1.41

(0.97, 2.05)

0.073

JPH3

1.07

(0.71, 1.62)

0.748

1.20

(0.42, 3.39)

0.736

1.10

(0.75, 1.62)

0.634

PCDH20

1.33

(0.92, 1.93)

0.126

1.35

(0.72, 2.52)

0.346

1.34

(0.97, 1.83)

0.073

  1. Each row represents a separate adjusted model.
  2. *Additional adjustors include age, education, COPD, current smoking, pack years, and cohort (for combined analysis); CMH as outcome.
  3. **Bonferroni adjusted significance threshold is p < 0.0042.