Table 1:

MR spectroscopy metabolite ratios of GBMs and aerobic abscesses

VariableMaximum Cho/CrMaximum Cho/NAAMaximum LL/Cr-nMaximum Cho/Cho-nMinimum Cr/Cr-nMinimum NAA/NAA-nCho-n/Cr-nCho-n/NAA-n
GBM3.38 ± 1.093.88 ± 2.132.72 ± 1.451.98 ± 0.530.53 ± 0.160.44 ± 0.091.01 ± 0.110.74 ± 0.14
Abscess1.77 ± 0.491.48 ± 0.512.11 ± 0.670.81 ± 0.210.48 ± 0.20.5 ± 0.150.98 ± 0.150.72 ± 0.13
P.001.006NS (.198)<.001NS (.451)NS (.387)NS (.614)NS (.728)
  • Note:—Cho indicates choline; Cr, creatine; NAA, N-acetylaspartate; LL, lipid and lactate; -n, normal; NS, not significant; GBM, glioblastoma multiforme.