Table 4 Parameter estimates and 95% CIs of best-fitting univariate models

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

 

h 2 (95%CI)

c 2 or d 2 (95%CI)

e 2 (95%CI)

-2LL

df

Δ χ2

Δdf

P

AIC

U E V, μg/h

 ACE

0.60 (0.13–0.83)

0.13 (0.00–0.54)

0.27 (0.17–0.43)

440.685

183

    

 AE

0.74 (0.59–0.83)

 

0.26 (0.17–0.41)

440.945

184

0.259

1

0.611

−1.741

 CE

 

0.59 (0.43–0.71)

0.41 (0.29–0.57)

446.891

184

6.206

1

0.013

4.206

 E

0.00 (0.00–0.00)

0.00 (0.00–0.00)

1.00 (1.00–1.00)

480.582

185

39.896

2

0.000

35.896

U NE V, μg/h

 ADE

0.45 (0.00–0.79)

0.23 (0.00–0.79)

0.32 (0.21–0.50)

355.981

183

    

 AE

0.68 (0.50–0.79)

 

0.32 (0.21–0.50)

356.136

184

0.155

1

0.694

−1.845

 E

0.00 (0.00–0.00)

0.00 (0.00–0.00)

1.00 (1.00–1.00)

386.584

185

30.603

2

0.000

26.603

  1. Abbreviations: UNEV, urine norepinephrine excretion rate; UEV, urine epinephrine excretion rate; h2, heritability; c2, common environmental variance; d2, dominant genetic variance; e2, unique environmental variance; CI, confidence interval.
  2. UEV and UNEV were log-transformed and adjusted for age, ethnicity, sex and BSA prior to analysis.
  3. Best fitting models are in bold.
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