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. 2009 Oct 11;52(12):2578–2584. doi: 10.1007/s00125-009-1524-3

Table 1.

General characteristics of study participants by zygosity

Variables	Monozygotic twins	Dizygotic twins
n	430	1,750
Age (years)	46.1 ± 13.7	45.9 ± 11.6
BMI (kg/m²)	24.1 ± 3.8	25.0 ± 4.6
QUICKI^a	0.24 ± 0.03	0.24 ± 0.03
Triacylglycerol (mmol/l)^b	1.16 ± 0.66	1.20 ± 0.73
Total cholesterol (mmol/l)^b	5.54 ± 1.27	5.45 ± 1.23
HDL-cholesterol (mmol/l)^b	1.53 ± 0.37	1.53 ± 0.39

Values are means ± SD

^aData available on 135 monozygotic and 685 dizygotic pairs

^bData available on 193 monozygotic and 826 dizygotic pairs