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Table 2 Evaluation of oxidative stress parameters before and after CPAP treatment

From: Association between thiol-disulfide hemostasis and transient tachypnea of the newborn in late-preterm and term infants

Parameters

Before CPAP

Median Interquartile range

Z

p

After CPAP

Median Interquartile range

Z

p

Native thiol (µmol/L)

LPs*

386 (309–425.8)

375 (305.5–416)

-0.532

0.595

LPs*

367 (299–461.7)

361 (297–424.5)

-0.286

0.775

Term

Term

Total thiol (µmol/L)

LPs

429.5 (369.5–487)

425 (370–475)

-0.330

0.741

LPs

398 (346–503.5)

426 (346–480)

-0.163

0.871

Term

Term

Disulfide (µmol/L)

LPs

26.25 (19.25–31.75)

27.5 (24.75–35)

-1.49

0.135

LPs

19.5 (15.5–28.7)

18.5 (15–28.5)

-0.579

0.563

Term

Term

Disulfide/Native thiol (%)

LPs

7.44 (6.33–9.68)

6.93 (5.64–9)

-1.96

0.051

LPs

5 (3.7–7.6)

4.7 (3.1–8.35)

-0.435

0.664

Term

Term

Disulfide/Total thiol (%)

LPs

6.66 (5.20–8.57)

6.47 (5.62–8.11)

-1.95

0.052

LPs

4.5 (3.4–6.65)

4.3 (2.9–7.15)

-0.449

0.653

Term

Term

Native thiol/Total thiol (%)

LPs

88.25 (85.36–90.57)

87.05 (83.78–88.77)

-1.95

0.052

LPs

91 (86.7–93)

91.4 (85.6–94.2)

-0.425

0.671

Term

Term

TAS (mmol Trolox equiv. /lt)

LPs

1.52 (1.29–1.82)

1.49 (1.29–1.72)

-0.567

0.571

LPs

1.75 (1.53–2.12)

1.70 (1.56–2.05)

-1.28

0.201

Term

Term

TOS (µmol H2O2 equiv. /lt)

LPs

8.5 (6.42–9.48)

7.1 (6.7–8.9)

-0.917

0.359

LPs

5.23 (3.61–7.1)

5.1 (3.60–6.75)

-0.262

0.794

Term

Term

OSI¥ (AU)

LPs

0.55 (0.41–0.68)

0.48 (0.41–0.69)

-0.478

0.633

LPs

0.28 (0.20–0.44)

0.38 (0.19–0.46)

-0.439

0.661

Term

Term

  1. Data are stated as median with interquartile range values
  2. *LPs = Late Preterm
  3. ¥Oxidative Stress Index, TAS: Plasma Total Antioxidant Status, TOS: Plasma total oxidant status. Mann–Whitney U test was used for data analyses