Table 2.

Concentrations of MDA and activities of antioxidant enzymes in the tumor and adjacent noncancerous tissues of patients with NSCLC.

Parameters	Tumor tissue	Adjacent noncancerous tissue	p value
MDA (μmol/g)	0.69 ± 0.78	0.47 ± 0.14	NS
SOD (NU/mg)	16.26 ± 3.96	18.53 ± 4.51	0.016
MnSOD (NU/mg)	9.91 ± 4.55	11.28 ± 3.85	NS
Cu/ZnSOD (NU/mg)	6.37 ± 4.26	7.25 ± 2.07	NS
CAT (IU/g)	49.79 ± 36.99	130 ± 49.97	0.00001
GPx (IU/g)	8.61 ± 6.34	5.58 ± 2.66	0.004
GST (IU/g)	3.82 ± 3.46	1.61 ± 1.09	0.00024
GR (IU/g)	27.27 ± 22.85	9.86 ± 5.21	<0.001

NS—not significant.