Serum Superoxide Dismutase Is Associated with Vascular Structure and Function in Hypertensive and Diabetic Patients

Table 3

Parameters of vascular structure and function divided into 4 quartiles according to superoxide dismutase serum levels.

	Q1; (SOD: <87.3 ng/mL)	Q2; (SOD: 87.3–112.8 ng/mL)	Q3; (SOD: 112.8–142.6 ng/mL)	Q4; (SOD: >142.6 ng/mL)
IMT medium average (mm)	0.73 ± 0.11	0.75 ± 0.13	0.73 ± 0.10	0.72 ± 0.12	0.436
IMT maximum average (mm)	0.90 ± 0.12	0.92 ± 0.16	0.90 ± 0.12	0.89 ± 0.14	0.620
PWV (m/s)	9.64 ± 2.47	8.83 ± 1.94	8.83 ± 2.46	8.88 ± 1.81	0.088
Central AIx	29.41 ± 9.87	30.72 ± 9.50	27.04 ± 10.67	26.77 ± 10.94	0.076
Peripheral AIx	91.92 ± 22.84	87.72 ± 14.71	85.32 ± 22.48	84.05 ± 22.82	0.167
AASI	39.62 ± 6.40	39.29 ± 6.69	37.64 ± 5.84	36.74 ± 5.34	0.019
D’Agostino cardiovascular risk	21.75 ± 19.30	18.30 ± 13.79	19.92 ± 17.11	19.91 ± 14.79	0.705

Data are expressed as mean ± standard deviation. AASI: ambulatory arterial stiffness index; AIx: augmentation index; CV cardiovascular; IMT: intima-media thickness; : value, statistically significant differences (ANOVA); PWV: pulse wave velocity.