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Table 1 Descriptive statistics for the two cohorts used in the study

From: Genome-wide association study using family-based cohorts identifies the WLS and CCDC170/ESR1 loci as associated with bone mineral density

 

GENOS

TwinsUK

Subjects (N)

1,042

5,654

Age, mean (SD)

55.236 (11.658)

47.001 (12.647)

Age (range)

20–83

16–81

Male (%)

1.9

8.3

Spine BMD (g/cm2), mean (SD)

0.878 (0.158)

1.002 (0.143)

Spine BMD Z, mean (SD)

−0.446 (1.305)

0.230 (1.267)

Total hip BMD (g/cm2), mean (SD)

0.813 (0.141)

0.941 (0.133)

Total hip BMD Z, mean (SD)

−0.319 (1.058)

0.377 (0.992)

Femoral neck BMD (g/cm2), mean (SD)

0.723 (0.139)

0.816 (0.129)

Femoral neck BMD Z, mean (SD)

−0.123 (1.147)

0.319 (1.049)

Fracture rate (%)

NA

28.3