Table 5.

Protein carbonylation and lipid peroxidation in erythrocyte lysates in both groups of patients. Groups Tox ≤ 2 and Tox ≥ 3 correspond to patients presenting grade 2 or less and grade 3 or more of late skin reactions after RT according to RTOG/EORTC, respectively. Percentages of increase and decrease were calculated to compare Tox ≥ 3 vs. Tox ≤ 2 group.

Irradiation Dose (Gy)	0			2			10
Toxicity Group	Tox ≤ 2	Tox ≥ 3	% Increase↑ % Decrease↓	Tox ≤ 2	Tox ≥ 3	% Increase ↑ % Decrease↓	Tox ≤ 2	Tox ≥ 3	% Increase↑ % Decrease↓
Carbonyls (nmol carbonyl/mg of protein)	173.87 ± 21.5	180.86 ± 20.75	4.02%	175.22 ± 21.41	157.63 ± 15.55	10.04% ↓	176.73 ± 15.45	152.77 ± 13.8	13.56% ↓
Lipid peroxidation (nmol/ mg of protein)	21.79 ± 1.96	22.52 ± 1.52	3.35%	21.50 ± 1.81	23.45 ± 1.66	9.07%	21.45 ± 1.91	20.87 ± 1.02	2.70% ↓