Table 2.

Correlations between CB₁ receptor binding in the dorsolateral prefrontal cortex (DLPFC) of individuals with schizophrenia (SCZ) and controls.

	SCZ		Controls
Variable	R	p	R	p
pH	−0.034	0.818	0.024	0.879
PMI	0.163	0.273	0.023	0.884
BMI	−0.036	0.818	0.243	0.121
Age of Onset	−0.01	0.989	N.A.	N.A.
Duration of Illness	0.11	0.499	N.A.	N.A.
Age at Death	0.035	0.817	−0.273	0.076
Brain Weight	0.204	0.169	0.114	0.467
Freezer Storage Time	0	0.998	−0.121	0.465
Age at First Hospitalization	0.02	0.915	N.A.	N.A.
Median CPZE	−0.15	0.341	N.A.	N.A.
Cumulative Lifetime CPZE	−0.3	0.051	N.A.	N.A.
Last Known CPZE	−0.25	0.147	N.A.	N.A.
	t	p	t	p
Smoking Status	0.94	0.352	0.422	0.675
Gender	0.108	0.915	0.154	0.879
Comorbid Alcohol Abuse/ Dependence	0.28	0.780	N.A.	N.A.
Comorbid Substance Abuse/ Dependence	0.47	0.642	N.A.	N.A.
Antipsychotic drugs in brain at autopsy	−0.46	0.646	N.A.	N.A.
Nicotine in brain at autopsy	−0.23	0.823	0.70	0.489
Cotinine in brain at autopsy	−1.30	0.200	0.56	0.581
Gender	0.108	0.915	0.154	0.879

BMI: body mass index; CPZE: chlorpromazine equivalents; PMI: postmortem interval