Table 2.

Magnetic resonance spectroscopy metabolite means (standard deviation).

Metabolites (I.U.)	Schizophrenia	Healthy controls	p-value
Glutamate (Glu)	7.4 (1.3)	6.6 (0.7)	0.021*
Glutamine (Gln)	2.2 (0.6)	1.8 (0.4)	0.016*
GABA	0.87 (0.2)	0.95 (0.2)	0.22
Linewidth (LW)a	0.046 (0.02)	0.042 (0.01)	0.55
Signal-to-Noise Ratio (SNR)a	73 (18)	76 (16)	0.67

^*p < 0.05, 1 Glu and 1 Gln were excluded, 3 GABA datasets were excluded.

^aLW and SNR as computed by LCModel.

I.U., institutional units.