Table 2. Mean Metabolite and rCBF for Younger and Older Adults with Schizophrenia and Age-Matched Controls.

	Younger schizophrenia		Younger controls		Older schizophrenia		Older controls
	Mean±Std. Dev. (I.U.)	Mean CRLB (%)	Mean±Std. Dev. (I.U.)	Mean CRLB (%)	Mean±Std. Dev. (I.U.)	Mean CRLB (%)	Mean±Std. Dev. (I.U.)	Mean CRLB (%)
tNAA	10.1±0.7	2.5	10.3±0.6	2.3	9.33±0.9	3.1	9.87±0.7	3.3
Gln	2.34±0.5	16.3	2.19±0.4	17.1	2.57 ±1.0	17.3	2.39±0.5	17.4
Glu	9.25±0.8	4.6	9.54±0.7	4.4	8.16±1.0	5.5	8.71±0.8	5.2
Glx	11.49±1.1	5.1	11.7±1.0	4.8	10.6±1.4	5.8	11.0±1.1	5.5
tCr	9.12±0.8	2.6	9.19±0.6	2.4	9.02±0.9	2.8	9.49±0.8	3.2
tCho	1.83±0.3	4.9	1.82±0.3	4.5	1.93±0.3	5	1.89±0.3	4.7
mI	6.60±0.7	3.9	6.72±0.5	3.4	6.82±0.9	4	7.00±0.8	3.8
GSH	2.17±0.2	7.7	2.16±0.2	7.4	2.07±0.3	8.6	2.18±0.3	8.1
Gln/Glu	0.25±0.06		0.23±0.04		0.30±0.09		0.27±0.06
AC GM rCBF (ml/100g/min)	55.7±13.9		58.8±10.5		54.1±14.2		54.2±9.8
AC WM rCBF (ml/100g/min)	55.7±13.9		58.8±10.5		54.1±14.2		54.2±9.8
Whole Brain CBF (ml/100g/min)	15.8±5.6		16.9±4.9		12.5±4.9		15.0±3.6