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Spectral intensity, % change and credible regression slope change of the 1H-NMR spectral regions identified as undergoing the largest degree of change with increasing altitude.
| Metabolite | Binned spectral region (ppm) | LDN intensity (AU) | EBC intensity (AU) | Δ% LDN to EBC | Slope (AU/km) | Increasing or decreasing with altitude |
|---|---|---|---|---|---|---|
| Isoleucine | 0.92 | 0.012 | 0.0049 | −60.5 | −0.00142 | Decreasing |
| Glucose | 3.35 | 0.016 | 0.0081 | −52.4 | −0.0014 | Decreasing |
| Lactate | 1.31 | 0.057 | 0.0719 | 27.4 | 0.00361 | Increasing |
