Table 1.

Demographic data on the multiple (heroin, cocaine, heroin-cocaine) drug abuse population (Study I).

Group	Control	Heroin	Heroin-cocaine	Cocaine
Number	N = 7	N = 8	N = 7	N = 7
Age (yr)	46 ± 8	41 ± 10	45 ± 7	45 ± 9
Race B/W	3/4	4/4	3/4	5/2
Gender	M = 7, F = 0	M = 7, F = 1	M = 5, F = 2	M = 6, F = 1
Storage time (days)	1066 ± 241	1136 ± 164	1155 ± 222	1004 ± 346
Brain pH	6.78 ± 0.17	6.54 ± 0.16	6.64 ± 0.27	6.51 ± 0.36
Ethanol (blood)	n = 4	n = 3	n = 2	n = 0
Morphine (μg/ml blood)	0	0.35 ± 0.52	0.01 ± 0.02	0
6-MAM (μg/ml blood)	0	0.011 ± 0.012	0.013 ± 0.033	0
Cocaine (μg/ml blood)	0	0	0.04 ± 0.08	0.23 ± 0.30
Benzo. (μg/ml blood)	0	0	0.32 ± 0.40	1.87 ± 2.00
Cause of death	ASCVD (n = 4), GSW (n= 1), stab wound (n = 1), drowning (n= 1).	Heroin intoxication/abuse (n = 7) cardiomyopathy (n= 1)	Heroin and cocaine intoxication/abuse (n =7)	Cocaine intoxication/abuse (n = 4) GSW (n = 1), ASCVD (n = 1), acute myocardial infarction (n= 1)

Values presented as mean ± SD. ASCVD, atherosclerotic cardiovascular disease; Benzo, benzoylecgonine; B, Black; C, Caucasian; F, female; GSW, gun shot wound; M, male; 6-MAM, 6-Monoacetylmorphine; yr, year. Subjects are grouped based on their history of drug abuse and positive blood levels of the drug(s) at the time of death (see Supplemental Information).