Table 2 Associations of serum Cu, Se, Zn, Se/Cu and Zn/Cu ratios with Sarcopenia.

Cu

 Q1 (43.9–101.7)

Ref

Ref

–

Ref

Ref

–

Ref

Ref

–

 Q2 (101.7–123.2)

2.73

1.81, 4.13

< 0.001

2.96

1.88, 4.65

< 0.001

3.02

1.85, 4.91

< 0.001

 Q3 (123.2–289.8)

3.25

2.13, 4.98

< 0.001

4.62

2.62, 8.15

< 0.001

3.38

1.82, 6.26

< 0.001

Se

 Q1 (80.5–121.7)

Ref

Ref

–

Ref

Ref

–

Ref

Ref

–

 Q2 (80.5–135.4)

1.06

0.70, 1.61

0.778

1.01

0.66, 1.53

0.974

0.86

0.52, 1.42

0.546

 Q3 (135.4–299.1)

1.18

0.71, 1.96

0.528

1.07

0.64, 1.79

0.795

1.09

0.63, 1.87

0.745

Zn

 Q1 (44.0–75.5)

Ref

Ref

–

Ref

–

–

Ref

Ref

–

 Q2 (75.5–87.6)

0.82

0.52, 1.31

0.407

0.81

0.50, 1.31

0.387

0.84

0.47, 1.51

0.542

 Q3 (87.6–232.5)

1.00

0.62, 1.61

0.995

1.02

0.63, 1.67

0.921

1.02

0.57, 1.80

0.952

Se/Cu

 Q1 (0.46–1.03)

Ref

Ref

–

Ref

Ref

–

Ref

Ref

–

 Q2 (1.03–1.29)

0.79

0.54, 1.16

0.222

0.64

0.40, 1.05

0.074

0.88

0.55, 1.39

0.557

 Q3 (1.29–4.93)

0.42

0.27, 0.67

< 0.001

0.30

0.16, 0.56

< 0.001

0.45

0.23, 0.89

0.023

Zn/Cu

 Q1 (0.19–0.64)

Ref

Ref

–

Ref

Ref

–

Ref

Ref

–

 Q2 (0.64–0.82)

0.77

0.53, 1.11

0.157

0.65

0.42, 1.00

0.050

0.92

0.60, 1.42

0.702

 Q3 (0.82–3.08)

0.42

0.26, 0.69

< 0.001

0.35

0.20, 0.61

< 0.001

0.49

0.27, 0.90

0.024