Table 6. Significant relations between specific metabolite concentrations and prioritized measures of physical and cognitive function following 10 weeks of sodium nitrite supplementation.
| Beta | Standard Error | P-value | |
|---|---|---|---|
| Motor Outcomes | |||
| Knee extensor rate of torque development | |||
|
Nitrite (80 mg/day) Molecule | |||
| C28 H44 O4 | −0.74 | 5.999 | 0.023 |
| C26 H58 N2 O2 S2 | 0.75 | 4.474 | 0.02 |
| C35 H62 N O15 P | −0.763 | 44.736 | 0.017 |
| Knee flexor rate of torque development | |||
|
Nitrite (80 mg/day) Molecule | |||
| C28 H44 O4 | −0.704 | 8.841 | 0.034 |
| C26 H58 N2 O2 S2 | 0.752 | 7.155 | 0.019 |
| LysoPE (18:3(9Z, 12Z, 15Z)/0:0) | 0.785 | 7.028 | 0.012 |
|
Nitrite (160 mg/day) Molecule | |||
| C22 H23 F N6 | 0.692 | 9.275 | 0.039 |
| PC(38:4) | −0.709 | 4.854 | 0.032 |
| Rapid Step Test | |||
|
Nitrite (80 mg/day) Molecule | |||
| β-Methylcrotonyl coenzyme A | 0.888 | 0.014 | 0.001 |
| Nitrite (160 mg/day) | |||
| C22 H23 F N6 | 0.647 | 0.042 | 0.043 |
| C15 H43 N15 O2 S4 | 0.824 | 0.043 | 0.003 |
| Cognitive Outcome | |||
| Trail Making Test B | |||
|
Nitrite (80 mg/day) Molecule | |||
| LysoPC(18:1) | −0.768 | 0.621 | 0.009 |
| 5-Aminoimidazole-4-carboxamide-1-βD-ribofuranosyl- 5′-monophosphate | −0.792 | 1.235 | 0.006 |
|
Nitrite (160 mg/day) Molecule | |||
| C37 H58 N3 P3 | 0.649 | 0.789 | 0.042 |
| C37 H59 N P4 | −0.779 | 0.496 | 0.008 |