Table 5 Intraclass Spearman’s correlations of XCI skew in blood-derived tissues in age stratified twin pairs.

From: Heritability of skewed X-inactivation in female twins is tissue-specific and associated with age

 

MZallAges

MZyoung

MZolder

DZallAges

DZyoung

DZolder

n. pairs

61

18

43

63

25

38

Intraclass correlation

0.31

0.06

0.42

0

0.1

−0.1

P-value

0.02

0.8

0.005

0.9

0.6

0.7

  1. Twin pairs < 55 years old are classified as young, twin pairs ≥ 55 years old are classified as old
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