Table 2.  Brachial artery studies before supplementation. Data are means (± SE).
 

Folic Acid Group (n = 8)

Placebo Group
(n = 5)

Heart rate (min)

71 (5)

55 (3) *

Mean arterial pressure

  Systolic (mmHg)

105.3 (2.8)

106.4 (1.8)

  Diastolic (mmHg)

64.9 (2.8)

60.8 (2.3)

Temperature (°C)

22.8 (.3)

23.2 (.5)

Humidity

33.8 (1.8)

42.0 (1.3) *

Baseline brachial
artery diameter (mm)

3.1 (.1)

3.4 (.2)

Peak brachial
artery diameter (mm)

3.3 (.1)

3.6 (.2)

Flow-mediated dilation (%)

6.6 (.8 )

6.5 (.7)

Peak change in flow velocity (%)

93.2 (9.4 )

121.0 (5.5)
* denotes p < 0.05 according to Exact Wilcoxon Rank-Sum Test.