[Retracted] Comparison of the Ameliorating Effects of Valsartan and Amlodipine on Vascular Endothelial Dysfunction and Oxidative Stress in Elderly Patients with Type H Hypertension

Table 5

Comparison of oxidative stress indicators before and after treatment in the two groups (x̅ ± s).

Group	Cases	Serum MDA (pmol/L)		Serum GSH-Px (μg/ml)		Serum SOD (ng/mL)
		Baseline value	After 24 weeks of treatment	Baseline value	After 24 weeks of treatment	Baseline value	After 24 weeks of treatment
Valsartan group	40	6.21 ± 2.06	5.71 ± 1.78	13.65 ± 2.59	16.85 ± 2.79	154.78 ± 43.54	188.97 ± 45.67
Amlodipine group	42	6.97 ± 2.48	6.55 ± 2.20	14.31 ± 2.47	15.20 ± 2.34	160.29 ± 41.38	167.30 ± 42.76
t value	–	1.506	1.895	1.181	2.907	0.588	2.219
value	–	0.136	0.062	0.241	0.005	0.559	0.029

MDA, malondialdehyde; GSH-Px, glutathione peroxidase; SOD, superoxide dismutase.