Table 3 Twin correlations for each zygosity group in European and African Americans

From: Urinary norepinephrine and epinephrine excretion rates are heritable, but not associated with office and ambulatory blood pressure

 

European Americans

African Americans

Overall

Measures

MZ

DZ

MZ

DZ

MZ

DZ

Pairs, N

23

22

24

15

47

37

UEV, μg h−1

0.69

0.54

0.67

0.42

0.68

0.48

UNEV, μg h−1

0.75

0.39

0.59

0.20

0.67

0.28

  1. Abbreviations: DZ, dizygotic twins; MZ, monozygotic twins.
  2. UNEV, urine norepinephrine excretion rate; UEV, urine epinephrine excretion rate.
  3. UNEV and UEV were log-transformed and adjusted for age, ethnicity, sex and BSA before analysis.
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