Table 1.
Number of datasets included in final analysis and quantitative quality metrics (Gannet). Quantitative quality metrics are GABA+/Glx/GSH fit errors; NAA linewidth; NAA SNR; GABA+/Glx/GSH SNR; and average frequency offset change ∆δ0.
| Number of datasets included in analysis | ACC | thalamus |
|---|---|---|
| GABA+ | 16 | 14 |
| Glx | 14 | 14 |
| GSH | 16 | 13 |
| Quantitative quality metrics | ACC | thalamus |
| GABA+ fit error (%) | 7.9 ± 0.9 | 6.3 ± 0.6 |
| Glx fit error (%) | 3.1 ± 0.2 | 3.0 ± 0.3 |
| GSH fit error (%) | 21.7 ± 4.1 | 27.1 ± 3.3 |
| NAA linewidth (Hz) | 9.0 ± 0.3 | 7.4 ± 0.4 |
| NAA SNR | 80.4 ± 6.9 | 97.8 ± 8.2 |
| GABA+ SNR | 6.8 ± 0.9 | 8.7 ± 0.9 |
| Glx SNR | 15.4 ± 1.6 | 18.1 ± 1.7 |
| GSH SNR | 8.9 ± 0.7 | 8.9 ± 0.8 |
| ∆δ0 (ppm) | 0.032 ± 0.003 | 0.030 ± 0.003 |