Table 3 Mean levels of the measured biochemical parameters among the studied groups
From: Blood biomarkers of nicotine-induced toxicity in healthy males
Variable | Non-smokers (n = 20) | Passive smokers (n = 30) | Active smokers (n = 40) | Total (n = 90) | p value |
|---|---|---|---|---|---|
8-OHdG (ng/ml) (mean ± SD) | 0.77 ± 0.39 | 0.84 ± 1.18 | 3.59 ± 1.98 | 2.04 ± 2.03 | < 0.001** |
Cotinine (ng/ml) (mean ± SD) | 1.47 ± 1.06 | 1.67 ± 1.77 | 13.9 ± 5.26 | 7.06 ± 7.16 | < 0.001** |
MDA (nmol/ml) (mean ± SD) | 28.24 ± 24.82 | 24.33 ± 20.09 | 96.69 ± 25.22 | 57.36 ± 42.37 | < 0.001** |
SOD (U/ml) (mean ± SD) | 1.79 ± 0.65 | 1.88 ± 0.63 | 0.62 ± 0.28 | 1.3 ± 0.79 | < 0.001** |
TAC (U/ml) (mean ± SD) | 18.99 ± 5.47 | 18.41 ± 5.97 | 7.41 ± 2.2 | 13.65 ± 7.19 | <0.001** |