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Table 1 Descriptive data of the study population.

From: Evaluation of the impact of genetic polymorphisms in glutathione-related genes on the association between methylmercury or n-3 polyunsaturated long chain fatty acids and risk of myocardial infarction: a case-control study

 

Controls

Cases

 

N

Mean

SD

Range

N

Mean

SD

Range

Ery-Hg (μg/l)

569

4.9

5.1

0.19-81

458

4.5

5.7

0.010-87

P-EPA+DHA (%)

508

6.2

1.6

2.8-14

408

6

1.5

3.2-15

Ery-Se (μg/l)

568

130

37

75-710

458

130

22

72-210

ApoB/apoA1

567

0.8

0.26

0.14-2.1

457

0.95

0.25

0.21-2.1

BMI (kg/m2)

435

26

4

18-49

378

27

4

18-57

Smokers

555

19%

  

433

42%

  

Fish (meals/week)

427

1.3

0.79

0.0-5.5

354

1.2

0.94

0.0-8.0

-lean fish

431

0.72

0.67

0.0-6.5

365

0.68

0.58

0.0-4.0

-fat fish

433

0.57

0.47

0.0-4.0

361

0.58

0.58

0.0-4.0

  1. Abbreviations: SD, standard deviation; Ery-Hg, erythrocyte total mercury concentration; Ery-Se, erythrocyte selenium concentration.