TABLE 1.
tNAA | tCr | tCho | CRLBNAA | CRLBCr | CRLBCho | |||
---|---|---|---|---|---|---|---|---|
Phantom | SO | 5.87 ± 7.77 | 3.66 ± 3.61 | 8.40 ± 3.42 | 9.87 ± 4.50 | 11.12 ± 4.50 | 9.32 ± 5.40 | |
SOI | 8.21 ± 3.83 | 5.43 ± 2.44 | 9.72 ± 4.29 | 7.07 ± 2.21 | 6.80 ± 2.30 | 5.93 ± 2.95 | ||
P = 0.009 | P = 0.0001 | P = 0.01 | P = 0.01 | P = 0.02 | P = 0.0001 | |||
Volunteers (n = 5) | SO | 5.52 ± 6.60 | 3.15 ± 4.45 | 1.03 ± 3.37 | 8.14 ± 12.28 | 11.09 ± 13.81 | 10.51 ± 14.12 | |
SOI | 6.52 ± 6.54 | 3.50 ± 4.44 | 1.05 ± 2.78 | 5.97 ± 10.09 | 7.40 ± 10.84 | 8.13 ± 12.02 | ||
P = 0.0001 | P = 0.003 | P = 0.76 | P = 0.02 | P = 0.03 | P = 0.04 |
Mean ± standard deviation of metabolite signals (a.u.) estimated by LCModel and the goodness of fit measure by Cramer–Rao lower bounds (CRLB) (%) of tNAA, tCr, and tCho.