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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Am J Psychiatry. 2012 Oct;169(10):1082–1091. doi: 10.1176/appi.ajp.2012.12030305

TABLE 1.

Summary of Demographic and Postmortem Characteristics of Human Subjectsa

Measure Comparison Group (N=42) Schizophrenia Group (N=42)
N % N %
Male 31 74 31 74
White 34 81 29 69
Black 8 19 13 31
Mean SD Mean SD
Age (years) 48 13 47 13
Postmortem interval (hours) 17.8 5.9 18.1 8.7
Freezer storage time (months) 121 44 121 46
Brain pH 6.8 0.2 6.6 0.4
RNA integrity number 8.3 0.6 8.2 0.7
a

No significant differences between groups on any variable.