Parameter Non-depressed Depressed(Mild-Moderate/Severe) p valueb
Catalase (nmol/min/mL)a 31.38 ± 20.12 41.01 ± 18.71 0.142
Superoxide dismutase (U/mL)a 3.14 ± 3.67 1.64 ± 0.87 0.261
Malondialdehyde (mM)a 11.41 ± 2.70 9.17 ± 3.34 0.033*
8-isoprostane (pg/mL)a 28.69 ± 17.66 14.21 ± 11.92 0.036*
aValues are expressed as mean ± standard deviation
bDifferences between groups were assessed with Wilcoxon-Mann-Whitney test
*Statistically significant difference
Table 3: Oxidative stress parameters in depressed versus nondepressed
HIV positive subjects.