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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