Table 1.

Relationships in Brain with Age, PMI, and pH

	Spearman's CorrelationCoefficient (ρ) for
Measurement	Age	PMI	pH
COMT enzyme activity (DLPFC)	.194a	−.141	−.151
S-COMT immunoreactivity	.085	−.023	.077
MB-COMT immunoreactivity	.297b	−.006	−.091
COMT mRNA levels	−.112	−.016	.097

^aP<.05.

^bP<.01.