The Effects of Beta-Glucan Rich Oat Bread on Serum Nitric Oxide and Vascular Endothelial Function in Patients with Hypercholesterolemia

Table 2

Comparison of nitric oxide concentration and flow-mediated dilation between the intervention and control groups.

	Groups		𝑃 value*
	Oat bread; 𝑛=30	Wheat bread; 𝑛=30
Nitric oxide (𝜇mol/lit)
Before intervention	263.2 ± 49.8	232.7 ± 57.2	0.689
After intervention	313.4 ± 62.9	250.2 ± 56.7	0.460
𝑃 value^†	0.017	0.530
NO changes (𝜇mol/lit)	50.2 ± 19.8	17.5 ± 27.5	0.337
Baseline brachial artery diameter (mm)
Before intervention	3.48 ± 0.68	3.67 ± 0.54	0.252
After intervention	3.55 ± 0.67	3.66 ± 0.55	0.492
𝑃 value^†	0.005	0.895
Brachial artery diameter after ischemia (mm)
Before intervention	4.15 ± 0.65	4.23 ± 0.54	0.607
After intervention	4.25 ± 0.66	4.24 ± 0.55	0.949
𝑃 value^†	0.000	0.614
Flow-mediated dilation (%)
Before intervention	20.1 ± 7.3	15.8 ± 5.1	0.011
After intervention	20.6 ± 7.9	16.4 ± 7.0	0.034
𝑃 value^†	0.546	0.533
FMD changes (%)	0.48 ± 0.78	0.59 ± 0.92	0.932

∗Independent 𝑡-test, †paired 𝑡-test, NO: nitric oxide, and FMD: flow-mediated dilation.