Table I.

Concentration of Gly, residual myo-inositol, and Myo:Gly ratio in μmol/g from CPMG spectra (TE = 50 ms) in control and brain tumor biopsies.

Biopsies	Gly	Myo	Gly/Myo
Control
n=9	0.99±0.34a	1.85±0.30	0.54±0.18
LG
n=10	2.81±0.60	4.25±0.58	0.69±16
% change from C	+183.84	+129.73	+27.78
P-valueb	0.050	0.04	0.25
MN
n=7	1.70±0.38	0.46±0.15	3.70±1.07
% change from C	+71.72	−75.14	+585.19
P-value	0.194	0.001	0.02
MT
n=7	3.07±0.28	2.78±0.31	1.33±1.07
% change from C	+210.10	+50.27	+146.30
P-value	0.0003	0.032	0.03
GBM
n=12	4.08±0.57	0.31±0.14	13.16±2.24
% change from C	+312.12	−83.24	+2,337.04
P-value	0.001	0.0001	0.0004

^aValues are means ±SE;

^bStudent’s t-test; ND.