Table 4

Vascular outcome measurements

Placebo (n = 79)

Vitamins (n = 83)

p

Vascular Structure

Carotid intima-medial thickness (mm)

0.83 ± 0.18

0.84 ± 0.17

0.74

Carotid lumen diameter (mm)

6.35 ± 0.72

6.49 ± 0.94

0.31

Brachial artery diameter (mm)

3.66 ± 0.67

3.84 ± 0.82

0.12

Vascular Function

Flow-mediated dilation (%)

3.0 (0.6 – 6.6)

4.0 (0.9 – 7.2)

0.48

GTN-mediated dilation (%)

20.2 ± 7.4

20.2 ± 8.1

0.98

GTN indicates glyeryl trinitrate.

Values are mean ± standard deviation or median (inter-quartile range)

P-values are from a two-sample t-test or a two-sample rank test (Mann-Whitney)

Potter et al. BMC Cardiovascular Disorders 2008 8:24   doi:10.1186/1471-2261-8-24