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Table 1 Description of the 13 DNA methylation datasets employed in this study

From: Equivalent DNA methylation variation between monozygotic co-twins and unrelated individuals reveals universal epigenetic inter-individual dissimilarity

Dataset

Dataset

Technology

Tissue

Number

Ethnicity

Female (%)

Mean age (years)

A

E-risk [5]

450K

Whole blood

426 MZ twin pairs

British

48.6

≈ 18

B

Danish twin cohort [18]

450K

Whole blood

146 MZ twin pairs

Danish

47.9

48.4

C1

Zhang et al. [19]

450K

Whole blood

10 MZ twin pairs

Chinese

40.0

41.3

C2

450K

Whole blood

1 MZ twin pair and 6 individuals

Chinese

37.5

29.3

D

Shi et al. [20]

450K

Whole blood

48 individuals

Chinese

39.6

9.04

E

NSPHS [21]

450K

Whole blood

727 individuals

Swedish

53.0

47.4

F

TwinsUK [22]

450K

Whole blood

328 MZ twin pairs

British

100

57.9

G

ENID [16]

450K

Whole blood

240 individuals

Gambian

48.6

≈ 2

H

Lokk et al. [23]

450K

17 post-mortem somatic tissues

4 individuals

Estonian

25.0

51.8

I

TwinsUK [24]

450K

Adipose tissue

97 MZ twin pairs

British

100

N/A

J

Bollepalli et al. [25]

450K

Adipose tissue

19 individuals

Finnish

63.1

35.2

K1

TwinsUK [26]

WGBS

Whole blood

7 MZ twin pairs

British

100

59.1

K2

WGBS

Adipose tissue

7 MZ twin pairs

British

100

60.7