Table 2.
Activity of antioxidant enzymes and MT concentrations in mother-newborn pairs 1.
| All (n = 74) |
Non-Smokers (n = 37) |
Smokers (n = 37) |
p 2 | |
|---|---|---|---|---|
| SOD (U/mL) | ||||
| Maternal plasma | 2.26 (2.00–2.67) | 2.42 (2.18–2.66) | 2.08 (1.87–2.60) | 0.025 |
| Cord plasma | 3.74 (3.40–4.26) | 4.13 (3.59–4.48) | 3.64 (3.04–3.81) | 0.004 |
| Placenta | 21.00 (8.09–39.52) | 16.36 (6.14–32.65) | 31.27 (12.44–43.38) | 0.047 |
| GPx (nmol/min/mL) | ||||
| Maternal plasma | 69.76 (58.23–80.04) | 70.22 (62.92–77.55) | 63.60 (56.10–81.84) | n.s. |
| Cord plasma | 41.33 (35.01–46.10) | 41.50 (36.76–46.75) | 39.90 (34.19–46.03) | n.s. |
| Placenta | 20.83 (16.93–24.36) | 20.36 (17.62–23.84) | 21.00 (15.11–26.36) | n.s. |
| MT (ng/mL) | ||||
| Maternal serum | 3.13 (2.46–4.01) | 3.16 (2.43–3.55) | 3.09 (2.56–4.21) | n.s. |
| Cord serum | 35.14 (30.54–42.48) | 34.03 (30.63–41.28) | 36.63 (29.91–42.64) | n.s. |
| Placenta | 178.5 (148.2–442.0) | 174.6 (156.1–251.0) | 197.8 (143.8–271.6) | n.s. |
1 The results are presented as the median and 25–75% interquartile range. 2 Difference between smokers and non-smokers was tested by Mann Whitney U-test and considered significant at p < 0.05.