Table 1.
Comparison of Regional Glu/Cr and Gln/Cr in Different Studies.
| Study | Method | Region | Glu/Cra | Gln/Cra |
|---|---|---|---|---|
| Gonenc et al. (56) | Multi-TE J-resolved | Precentral Gyrus | 1.11 ± 0.11 | 0.43 ± 0.08 |
| Jensen et al. (8) | JPRESS | Parieto-Occipital | 0.9 ± 6% | 0.25 ± 14% |
| PRESS | 1.24 ± 8% | 0.17 ± 30% | ||
| Frias-Martinez et al. (40) | JPRESS ProFit | Occipital Region | 1.24 ± 0.12 | 0.42 ± 0.06 |
| Frias-Martinez et al. (39) | L-COSY Profit | Occipital Region | 1.48 ± 0.31 | 0.43 ± 0.01 |
| Schulte et al.* (57) | J-resolved Profit | Parietal Lobe | 1.28 | 0.21 |
| Waddell et al. (58) | Difference Spectroscopy | Anterior Cingulate | 1.16 ± 0.10 | NA |
| Wijtenburg et al. (5) | Phase Rotation STEAM | Anterior Cingulate | 1.12 ± 0.08 | 0.33 ± 0.08 |
| Wijtenburg et al.* (41) | Phase Rotation STEAM | Anterior Cingulate | 1.31 | 0.30 |
| Posterior Cingulate | 1.32 | 0.31 | ||
| Present Study$ | Short-TE MRSI | Precentral Gyrus | 1.14 ± 0.27 | 0.43 ± 0.11 |
| Parietal Cortex | 1.10 ± 0.17 | 0.37 ± 0.12 | ||
| Occipital Cortex | 1.09 ± 0.12 | 0.38 ± 0.12 | ||
| Anterior Cingulate | 1.06 ± 0.30 | 0.36 ± 0.19 | ||
| Posterior Cingulate | 1.14 ± 0.18 | 0.42 ± 0.16 |
a
Ratios are reported as mean ± standard deviation.
*
Standard deviation of measure not available.
$
Values are averaged across the hemispheres.