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Table 1 Bone mineral density (BMD) and T score of the 3 pairs of MZ twins.

From: Variations in genome-wide gene expression in identical twins – a study of primary osteoblast-like culture from female twins discordant for osteoporosis

Sample Year of Birth BMI* Hip BMD T Score Spine BMD T Score
Concordant pair       
1A 1930 22.5 0.6545 -2.67 0.8313 -1.96
1B 1930 23.1 0.6373 -2.81 0.8861 -1.46
Discordant pairs       
2A 1930 24.5 0.6992 -2.30 0.8844 -1.48
2B 1930 22.3 0.8692 -0.88 0.9358 -1.01
3A 1930 24.6 0.6473 -2.73 0.8236 -2.03
3B 1930 22.8 0.8145 -1.33 1.0881 +0.37
  1. * BMI: body mass index