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Table 2 Summary and test statistics for the 12 sentinel CpG sites comparing never with current smokers

From: Differences in smoking associated DNA methylation patterns in South Asians and Europeans

Target ID

Chr

Location (bp)a

Gene ID or region

Relation to CpG island

Median β-values (IQR) all samples

Effect size (%)b

F-statisticc

P-valuec

Rank

Never smokers

Current smokers

cg09069072

1

15482753

TMEM51

South Shore

0.85 (0.82, 0.87)

0.79 (0.75, 0.83)

-0.06

31.49

8.5 × 10-8

11

cg25189904

1

68299493

GNG12

South Shore

0.25 (0.20, 0.32)

0.18 (0.16, 0.22)

-0.07

35.05

1.9 × 10-8

7

cg09935388

1

92947588

GFI1

CpG Island

0.57 (0.42, 0.75)

0.27 (0.21, 0.38)

-0.30

47.85

1.0 × 10-10

6

cg21566642

2

233284661

2q37.1

CpG Island

0.49 (0.43, 0.52)

0.32 (0.28, 0.37)

-0.16

172.13

3.0 × 10-27

2

cg03274391

3

22413232

3p24.3

North Shore

0.31 (0.21, 0.44)

0.56 (0.34, 0.75)

+0.25

34.56

2.3 × 10-8

8

cg05575921

5

373378

AHRR

North Shore

0.77 (0.74, 0.79)

0.55 (0.52, 0.58)

-0.22

658.31

6.1 × 10-59

1

cg13039251

5

32018601

PDZD2

 

0.71 (0.65, 0.79)

0.83 (0.76, 0.89)

+0.11

33.46

3.7 × 10-8

9

cg06126421

6

30720080

6p21.33

 

0.75 (0.64, 0.82)

0.52 (0.41, 0.66)

-0.23

63.64

2.6 × 10-13

5

cg17619755

6

31760629

VARS

North Shelf

0.61 (0.57, 0.65)

0.67 (0.63, 0.72)

+0.05

31.89

7.2 × 10-8

10

cg22132788

7

45002486

MYO1G

CpG Island

0.83 (0.76, 0.89)

0.95 (0.90, 0.97)

+0.12

89.85

3.1 × 10-17

4

cg01731783

14

74211788

C14orf43

 

0.40 (0.35, 0.43)

0.33 (0.31, 0.37)

-0.07

31.46

8.6 × 10-8

12

cg03636183

19

17000585

F2RL3

North Shore

0.36 (0.31, 0.40)

0.23 (0.20, 0.28)

-0.12

93.30

1.0 × 10-17

3

  1. alocation based on build37/hg19 reference assembly. bEffect size is calculated as the median methylation difference between smokers and non-smokers. Direction of difference is indicated by +/-. cF-statistic and P-values from ANOVA measuring association between smoking status and methylation adjusted for ethnic group.