Table 1. Subject characteristics before and after 10 weeks of placebo and sodium nitrite supplementation.
| Placebo | Nitrite (80 mg/day) | Nitrite (160 mg/day) | ||||
|---|---|---|---|---|---|---|
| Baseline | Week 10 | Baseline | Week 10 | Baseline | Week 10 | |
| n (women) | 10 (4) | 10 (5) | 10(5) | |||
| Age (years) | 62 ± 8 | -- | 60 ± 6 | -- | 64 ± 6 | -- |
| BMI (kg/m2) | 25.9 ± 2.7 | 25.8 ± 2.8 | 24.5 ± 3.2 | 24.6 ± 2.8 | 24.2 ± 3.0 | 24.4 ± 3.2 |
| Body mass (kg) | 75.1 ± 10.2 | 74.8 ± 10.1 | 70.6 ± 9.3 | 71.3 ± 9.2 | 70.4 ± 10.2 | 70.9 ± 10.1 |
| Lean mass (kg) | 48.6 ± 14.3 | 50.1 ± 11.8 | 47.2 ± 7.7 | 47.9 ± 8.4 | 47.6 ± 8.2 | 48.2 ± 8.4 |
| Body fat (%) | 30.4 ± 11.1 | 30.0 ± 11.3 | 29.7 ± 7.9 | 29.4 ± 8.7 | 27.9 ± 10.0 | 28.1 ± 10.3 |
| Fasting glucose (mg/dL) | 94 ± 5 | 94 ± 6 | 90 ± 6 | 90 ± 5 | 93 ± 4 | 91 ± 5 |
| Fasting insulin (μU/mL) | 8 ± 2 | 10 ± 3 | 9 ± 3 | 8 ± 2 | 8 ± 3 | 7 ± 3 |
| Total cholesterol (mg/dL) | 164 ± 22 | 158 ± 22 | 175 ± 25 | 174 ± 28 | 180 ± 19 | 183 ± 25 |
| HDL-cholesterol (mg/dL) | 59 ± 6 | 58 ± 6 | 58 ± 4 | 60 ± 4 | 57 ± 4 | 59 ± 4 |
| LDL-cholesterol (mg/dL) | 90 ± 5 | 87 ± 4 | 100 ± 6 | 101 ± 7 | 109 ± 6 | 108 ± 8 |
| Triglycerides (mg/dL) | 79 ± 8 | 67 ± 5 | 70 ± 6 | 70 ± 13 | 75 ± 6 | 80 ± 9 |
| Activity (steps/wk) | 60.7 ± 24.3 | 55.4 ± 18.3 | 70.2 ± 36.4 | 67.4 ± 35.5 | 67.7 ± 32.0 | 66.0 ± 36.2 |
Data are mean ± SD. HDL, high-density lipoprotein; LDL, low-density lipoprotein. Activity is reported as value × 10,000 steps.