Table 2.
MRS data quality parameters.
| ASD (n = 14) | CTRL (n = 15) | |||
|---|---|---|---|---|
| Mean (S.E.) | Range | Mean (S.E.) | Range | |
| MEGA-PRESS | ||||
| GABA+ Fit Error (%) | 5.04 (0.28) | 3.82–6.90 | 5.19 (0.40) | 2.74–8.42 |
| FWHM (Hz) | 19.17 (0.33) | 16.26–20.80 | 19.19 (0.52) | 16.94–24.47 |
| SNR | 13.52 (1.25) | 6.42–20.84 | 13.95 (0.99) | 8.21–21.88 |
| PRESS | ||||
| Glx CRLB (%) | 6.50 (0.20) | 5–7 | 7.13 (0.26) | 6–9 |
| FWHM (Hz) | 4.51 (0.15) | 3.70–5.49 | 4.62 (0.11) | 4.22–5.49 |
| SNR | 31 (0.74) | 28–37 | 30.44 (1.21) | 21–38 |
ASD, Autism Spectrum Disorder group; CTRL, Control group; S.E., Standard Error; FWHM, Full Width at Half Maximum; SNR, Signal to Noise Ratio; CRLB, Cramér-Rao Lower Bound. MEGA-PRESS and PRESS quality data were obtained from Gannet and LcModel softwares, respectively.