Table 2.
Magnetic resonance spectroscopy measurements in the thalamus and primary somatosensory cortex.
| HV | No DPN | Subclinical DPN | Painful DPN | Painless DPN | p-value (ANOVA) | |
|---|---|---|---|---|---|---|
| Thalamus | ||||||
| NAA:Cr | 1.80 ± 0.23 | 1.85 ± 0.20 | 1.79 ± 0.23 | 1.75 ± 0.19 | 1.55 ± 0.22 | <0.001 |
| NAA:Cho | 1.92 ± 0.31 | 1.91 ± 0.28 | 1.87 ± 0.25 | 1.74 ± 0.25 | 1.75 ± 0.26 | ns |
| Cho:Cr | 0.95 ± 0.12 | 0.98 ± 0.13 | 0.95 ± 0.17 | 1.00 ± 0.17 | 0.92 ± 0.16 | ns |
| Primary somatosensory cortex | ||||||
| NAA:Cr | 1.65 ± 0.22 | 1.61 ± 0.24 | 1.65 ± 0.17 | 1.64 ± 0.20 | 1.62 ± 0.21 | ns |
| NAA:Cho | 2.19 ± 0.26 | 2.22 ± 0.48 | 2.24 ± 0.36 | 2.14 ± 0.30 | 2.14 ± 0.31 | ns |
| Cho:Cr | 0.76 ± 0.10 | 0.75 ± 0.13 | 0.75 ± 0.11 | 0.78 ± 0.13 | 0.77 ± 0.12 | ns |
NAA, N-acetyl aspartate; Cr, creatine and phosphocreatine; Cho, choline.