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Table 5 Baseline values of oxidative stress-related parameters measured in blood of vardenafil- and placebo-treated patients (mean ± SD).

From: Evaluation of vardenafil for the treatment of subjective tinnitus: a controlled pilot study

Blood parameter

Vardenafil (N = 21)

Placebo (N = 21)

Malondialdehyde (μmol/l)

0.07 ± 0.02

0.07 ± 0.02

Protein carbonyl (nmol/mg protein)

0.32 ± 0.12

0.29 ± 0.12

Total antioxidative status (mmol/l)

1.42 ± 0.30

1.45 ± 0.14

Homocysteine (μmol/l)

10.59 ± 3.52

9.27 ± 2.40