Table 2.

Comparison of redox biomarkers in healthy controls and patients with colorectal cancer before and after surgery.

Markers	Healthy control	Before surgery	p value	Healthy control	After surgery	p value
AGE (F %)	44.62 ± 7.08	72.49 ± 4.7	<0.001	44.62 ± 7.08	67.93 ± 8.8	<0.001
AOPP (μmol/L)	129.1 ± 12.1	137.64 ± 21.9	0.014	129.1 ± 12.1	119.08 ± 33.1	0.035
MDA (μM/L)	2.74 ± 0.37	3.56 ± 0.30	<0.001	2.74 ± 0.37	3.05 ± 0.33	<0.001
ox-LDL (mU/L)	14.43 ± 1.17	19.78 ± 0.97	<0.001	14.43 ± 1.17	16.94 ± 1.02	<0.001
FRAP (μmol/L)	1000 ± 213.9	1097.5 ± 156	0.013	1000 ± 213.9	1239.3 ± 290	<0.001
CAT (U/mL)	2.48 ± 0.36	2.34 ± 0.34	0.049	2.48 ± 0.36	2.63 ± 0.38	0.045
GPx (U/mL)	90.1 ± 7	102.37 ± 6.58	<0.001	90.1 ± 7	108.03 ± 6.95	<0.001
SOD (U/mL)	4.34 ± 0.35	5.13 ± 0.39	<0.001	4.34 ± 0.35	5.53 ± 0.31	<0.001

Data is presented as mean ± SD. AGE: advanced glycation end product; AOPP: advanced oxidation protein products; CAT: catalase; FRAP: ferric reducing ability of plasma; GPx: glutathione peroxidase; MDA: malondialdehyde; ox-LDL: oxidized low density lipoprotein; SOD: superoxide dismutase.