Table 2. Oxidative stress markers at 4 months by treatment group (mean values and mean differences adjusted for baseline values).

Outcome	Control (n = 17)	Pentoxifylline (n = 15)	Difference (pentoxifylline-control) (95% CI)	P-value
Total F2-isoprostanes (pg/ml)	134.32 (105.20–163.44)	169.33 (138.28–200.38)	35.01 (−8.12 to 78.15)	0.11
Plasma GPX (U/l)	178.81 (174.09–183.54)	172.75 (167.71–177.78)	−6.06 (−13.0 to 0.89)	0.09
Plasma SOD (U/ml)	2.17 (1.56–2.78)	2.99 (2.33–3.64)	0.82 (−0.08 to 1.71)	0.07
Protein carbonyls (nmol/mg)	0.63 (0.55–0.71)	0.59 (0.50–0.68)	−0.04 (−0.16 to 0.08)	0.52