Table 1.

Summary of subject characteristics.

	Control	Schizophrenia	Statistics
Number	36	36
Sex	27 M, 9 F	27 M, 9 F	X2= 0.0, p=1.0
Race	30 W, 6 B	24 W, 12 B	X2=2.67, p=0.10
Age (years)	48.1 (13.0)	46.9 (12.4)	F=0.16, p=0.69
PMI* (hours)	17.6 (6.1)	18.0 (8.8)	F=0.04, p=0.84
Brain pH	6.7 (0.2)	6.6 (0.4)	F=3.36, p=0.07
RIN**	8.3 (0.6)	8.2 (0.6)	F=0.42, p=0.52
Storage time (months at −80°C)	151.1 (43.4)	154.6 (45.9)	F=0.09, p=0.77

Values are mean (SD)

^*Postmortem interval

^**RNA integrity number