Table 1.
Coefficient of variation values of the Glu, Cr, and Cho peaks in the combined spectra.
| nd-comb | WSVD | GLS | |
|---|---|---|---|
| Phantom | |||
| Glu | 6.33% | 5.37% | 2.57% |
| Cr | 6.03% | 5.78% | 1.37% |
| Cho | 6.24% | 6.25% | 1.47% |
| Volunteer 1 | |||
| Scan 1 | |||
| Glu | 7.49% | 4.97% | 3.83% |
| Cr | 7.14% | 4.31% | 2.63% |
| Cho | 8.00% | 5.33% | 3.85% |
| Scan 2 | |||
| Glu | 7.53% | 4.96% | 3.62% |
| Cr | 7.49% | 4.54% | 2.57% |
| Cho | 8.00% | 5.21% | 3.86% |
| Volunteer 2 | |||
| Scan 1 | |||
| Glu | 7.76% | 5.20% | 3.90% |
| Cr | 7.58% | 4.47% | 2.59% |
| Cho | 7.71% | 4.71% | 3.34% |
| Scan 2 | |||
| Glu | 7.94% | 5.10% | 3.83% |
| Cr | 7.54% | 4.24% | 2.25% |
| Cho | 7.36% | 4.48% | 3.17% |
| Scan 3 | |||
| Glu | 7.58% | 5.09% | 3.36% |
| Cr | 7.13% | 4.25% | 2.53% |
| Cho | 7.63% | 4.88% | 3.38% |
Glu, glutamate
Cr, creatine
Cho, choline
nd-comb, noise-decorrelated combination
WSVD, whitened singular value decomposition
GLS, generalized least squares