Table 1.
List of the initial and fitted values of the amplitudes, frequency offsets and linewidths of the five components contributing to Z spectra shown in Figure 1 and 2.
| Parameters | Initial values* | Fitted values for brain ROI* | Fitted values for tumor ROI* |
|---|---|---|---|
| Frequency offset, ppm | −3.23, −1.48,0.02,2.04,3.63 | −3.33, −1.76,0.02,2.10,3.63 −3.28,-------,-------,2.08,3.62 |
−3.24, −0.67,0.02,2.12,3.59 −3.24,-------,-------,2.09,3.58 |
| Linewidth, ppm | 4.28,27.43,1.35,2.23,1.49 | 3.67,25.62,1.49,2.59,1.32 3.71,-------,-------,2.49,1.38 |
3.43,22.19,1.40,1.52,1.38 3.48,-------,-------,1.47,1.40 |
| Amplitude, % | 15.05,20.3,71.00,9.51,6.21 | 14.07,27.28,60.72,7.87,4.11 14.07,-------,-------, 7.75,4.30 |
13.96,16.53,78.18,9.43,9.58 13.92,-------,-------,9.33,9.75 |
*
From left to right: NOE, MT, Water, 2ppm peak and APT; the 1st row: the first order of fitting; the 2nd row: the secondary fitting. MT and water peaks were not fitted (labeled as “-------”) in the secondary fitting.