Table 5.
Serum levels of metabolites that may affect endothelial function, in ME/CFS patients and healthy controls.
| Biological markers of endothelial function. μM, median (range) |
ME/CFSa n = 40 |
HCb n = 30 |
P-valuec |
|---|---|---|---|
| Arginine | 80.83 (51.88–129.81) |
85.63 (52.38–136.40) |
0.20 |
| Asymmetric dimethylarginine | 0.55 (0.31–0.78) |
0.50 (0.34–0.69) |
0.11 |
| Symmetrical dimethylarginine | 0.54 (0.38–0.78) |
0.63 (0.27–0.79) |
0.014* |
| Homoarginine | 1.76 (0.64–3.53) |
1.94 (0.90–4.24) |
0.19 |
| High-sensitivity C-reactive protein | 0.35 (0.00–4.51) |
0.53 (0.00–6.20) |
0.38 |
a
ME/CFS patients, non-fasting.
b
Healthy controls, non-fasting.
c
P-values from Mann–Whitney tests;
*
p < 0.05.