Table 1.
Baseline characteristics stratified by treatment allocation.
| Treatment Allocation | BRJ | PLA | Significance |
|---|---|---|---|
| Demographics | |||
| n | 11 | 7 | |
| Age (y) | 65 ± 8 | 61 ± 5 | 0.34 |
| Height (cm) | 167.4 ± 9.5 | 165.3 ± 6.2 | 0.62 |
| Weight (kg) | 73.2 ± 16.6 | 73.3 ± 8.0 | 0.99 |
| BMI (kg/m2) | 26.2 ± 6.3 | 26.9 ± 2.1 | 0.80 |
| Body Fat (%) | 30.7 ± 10.5 | 33.8 ± 7.7 | 0.51 |
| Dietary Intake | |||
| NO3− | 151.8 ± 77.8 | 185.3 ± 75.7 | 0.78 |
| NO2− | 7.4 ± 3.8 | 5.8 ± 1.9 | 0.49 |
| Clinical BP | |||
| SBP | 129 ± 12 | 124 ± 14 | 0.46 |
| DBP | 75 ± 8 | 79 ± 3 | 0.23 |
Data are presented as mean ± SD. p-values shown in the last column for an unpaired Student t-test. BMI = body mass index; BRJ = beetroot juice; DBP = diastolic blood pressure; NO3− = nitrate; NO2− = nitrite; PLA = placebo and SBP = systolic blood pressure.