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Table 3 Matching parameters for Experiment 2 (n = 40).

From: The relation between serum lipids and lutein and zeaxanthin in the serum and retina: results from cross-sectional, case-control and case study designs

Group

Age (years)

Gender

Iris Color*

BMI (kg/m2)

Carotenoid Intake Score

Smoking Status

Years Smoking

Statin

Users

58.05 ± 11.08

n = 13 males

n = 7 females

2.1 ± 0.9

27.51 ± 5.19

14.1 ± 5.25

n = 13 nonsmokers

n = 7 past smokers

n = 0 current smokers

5.3 ± 9.18

Non-Users

57.95 ± 11.03

n = 14 males

n = 6 females

1.9 ± 0.8

26.34 ± 2.73

13.93 ± 3.63

n = 12 nonsmokers

n = 4 past smokers

n = 4 current smokers

9.10 ± 12.47

  1. Values expressed as mean ± SD unless otherwise indicated
  2. *1 = dark irides, 2 = green/hazel irides, 3 = blue/gray irides