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Table 3 Odds ratios for hypertension and serum selenium, serum copper and serum zinc levels adjusted for confounding factors. High and low values refer to normal lab range values for trace elements

From: Selenium, copper, zinc and hypertension: an analysis of the National Health and Nutrition Examination Survey (2011–2016)

 

Analysis of Maximum Likelihood Estimates

Odds Ratio Estimates

Standard Error

Wald Chi-Square

Pr > ChiSq

Point Estimate

95% Confidence Limits

High Serum Selenium (>150μg/L)

0.13

17.12

< 0.01

1.69*

1.32

2.17

High Normal Serum Selenium (>120μg/L)

0.07

33.54

< 0.01

1.46*

1.29

1.66

High Serum Copper (>145μg/dL)

0.09

0.34

0.68

0.95

0.79

1.14

High Serum Zinc (>105μg/dL)

0.13

0.23

0.33

1.06

0.83

1.37

Low Serum Copper (<75μg/dL)

0.2

0.02

0.89

1.027

0.7

1.5

Low Serum Zinc(<65μg/dL)

0.09

0.11

0.89

1.21

1.04

1.43

Serum Selenium(Q1)

0.04

44.2

< 0.01

0.63*

0.55

0.72

Serum Selenium(Q4)

0.03

18.42

< 0.01

1.34*

1.17

1.53

  1. Q1 lowest quantile, Q4 highest quantile. *Significant at p < 0.01