Table 5.
Metabolite COVs for Voxels Containing Spectra That Meet “Poor” Water Line Width Criteriaa
| 0.1‐0.15 ppm | ||||
|---|---|---|---|---|
| TE = 35 ms | TE = 80 ms | |||
| Line width | COV % | COV % | ||
| Metabolite | Si.BL | Ex.BL | Si.BL | Ex.BL |
| tNAA††‡‡ | 23.09 | 14.39 | 12.96 | 6.53 |
| tCr | 15.53 | 14.92 | 10.21 | 10.22 |
| tCho | 15.15 | 14.17 | 18.44 | 17.44 |
| Glu | 30.62 | 27.46 | 44.72 | 40.21 |
| Gln | 56.13 | 56.46 | 92.37 | 101.36 |
| Glx | 23.99 | 23.75 | 42.56 | 38.28 |
| Ins | 27.85 | 27.22 | 34.79 | 38.10 |
| Glth† | 103.15 | 121.31 | 44.15 | 46.19 |
| Tau | 141.42 | 131.06 | 73.90 | 77.15 |
a
Metabolite COVs for TE = 35 and 80 ms for voxels containing spectra that meet the “poor” water line width criteria of between 0.1 and 0.15 ppm showing significant (P < 0.05) differences from an unpaired t‐test between Si.BL and Ex.BL for TE = 35 ms (†), TE = 80 ms (‡), and TE = 144 ms (¥). Significances of P < 0.01 are denoted as: TE = 35 ms (††), TE = 80 ms (‡‡), and TE = 144 ms (¥¥).