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Table 3 Oxidative stress biomarkers at ICU admission and day 7: patients with worsening oxidative stress versus those with no change in oxidative stress

From: Oxidative stress is increased in critically ill patients according to antioxidant vitamins intake, independent of severity: a cohort study

Biomarkers

Worsening OS

Not worsening OS

 

At admission

Day 7

P

At admission

Day 7

P

LP (nm/mg protein)

2.14 ± 0.9

2.73 ± * 1.4

0.01

2.17 ± 0.9

2.13 ± 1.7

0.950

CO (nm/mg protein)

2.34 ± 1.0

3.49 ± * 1.2

0.00

3.54 ± 0.8

4.12 ± 1.4

0.216

AOC (nm/mg protein)

1.57 ± 0.8

1.15 ± * 0.8

0.02

1.13 ± 0.2

1.18 ± 0.8

0.673

  1. Values are expressed as mean ± SD. *P < 0.05, versus admission value. AOC, antioxidant capacity; CO, carbonyl group; OS, oxidative stress; ICU, intensive care unit; LP, lipid peroxide; SD, standard deviation.
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Critical Care

ISSN: 1364-8535