Table 2 Comparison between stable COPD and AECOPD patients

CRP (mg/dL), mean ± SD

4.06 ± 2.23

8.47 ± 6.3

 < 0.001*

TNF-α (pg/mL), mean ± SD

12.34 ± 6.33

24.36 ± 9.53

0.0001*

Copper (mg/dL), mean ± SD

162 ± 34.63

201 ± 39.02

0.041*

Zinc (mg/dL), mean ± SD

140 ± 45

192 ± 32.3

0.01*

Cu/Z ratio, mean ± SD

1.18 ± 0.2

1.02 ± 0.3

0.042*

Na (mmol/L), mean ± SD

139 ± 5.03

132 ± 5.45

0.021*

K (mmol/L), mean ± SD

3.96 ± 0.52

3.24 ± 0.52

0.01*

Mg (mmol/L), mean ± SD

2.7 ± 1.52

1.67 ± 0.38

0.001*