Table 1 Oxidative stress biomarkers in maternal venous blood and in arterial umbilical cord blood samples (n = 34 pairs)
Maternal sample Mean (SD) | Umbilical cord sample Mean (SD) | Mean differences | CI 95% | Significancea | |
|---|---|---|---|---|---|
SOD activity in erythrocytes (U/mL) | 261.46 (68.9) | 323.82 (59.73) | −62.36 | −93.8, −30.9 | 0.000 |
GSH-Px activity in erythrocytes (U/mL) | 617.36 (106.58) | 332.38 (64.09) | 284.9 | 241.4, 328.5 | 0.000 |
MDA (nmol carbocianine/mg of dry weight) | 0.062 (0.017) | 0.055 (0.015) | 0.006 | 0.003, 0.008 | 0.000 |
LOOH in red blood membranes (nmol l/mg of dry weight) | 0.21 (0.05) | 0.11 (0.05) | 0.09 | 0.076, 0.121 | 0.000 |
FFA (nmol/mL) | 868.63 (188.28) | 261.92 (62.49) | 606.7 | 542.3, 671.0 | 0.000 |
CP (nmol DNPH/mg of protein) | 2.32 (0.87) | 3.31 (1.34) | −0.99 | −1.43, −0.55 | 0.000 |
Nitrites (nmol NO3/mL) | 8.09 (3.87) | 11.29 (3.67) | −3.19 | −4.99, −1.39 | 0.001 |
Arginase activity in erythrocytes (nmol/mg of protein/min) | 7.08 (1.96) | 13.29 (3.09) | −6,21 | −7.28, −5.14 | 0.000 |