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Table 3 Comparison of medians (± interquartile range) of test parameters between the study groups

From: Differences in serum markers of oxidative stress in well controlled and poorly controlled asthma in Sri Lankan children: a pilot study

 

Poorly controlled asthma (n = 20)

Well controlled asthma (n = 24)

Healthy controls (n = 27)

p value

Serum nitrite concentration (μM)

0.14 ± 0.37

0.12 ± 0.26

0 ± 0.23

0.149

Serum nitrate concentration (μM)

4.79 ± 2.15

3.93 ± 3.28

3.34 ± 2.15

0.003*

Serum NOx concentration (μM)a

5.06 ± 2.31

4.05 ± 3.32

3.53 ± 2.35

0.003*

Serum TAOC (μM)

333.20 ± 36.39

360.02 ± 34.10

362.45 ± 12.45

< 0.001*

  1. aNOx denotes NO2− and NO3− collectively
  2. *p < 0.05 comparison between the three study groups (Kruskal–Wallis Test)