Table 2.

Demographic data on the heroin abuse population (Study II).

Group	Control	Heroin
Number	N = 15	N = 29
Age (yr)	37 ± 12	27 ± 5
Race	Caucasian	Caucasian
Gender	M = 12, F = 3	M = 24, F = 5
Storage time (days)	3778 ± 656	3702 ± 679
Brain pH	6.72 ± 0.23	6.54 ± 0.21
Ethanol (blood)	n = 1	n = 4
Morphine (μg/ml blood)	0	0.37 ± 0.47
6MAM (μg/ml blood)	0	0.002 ± 0.010*
Cause of death	Electric shock (n=2), pulmonary emboli (n = 1), myocardial infarct (n = 8), viral infection (n=1), sudden death (n = 2), AMI (n=1)	Heroin intoxication

Values presented as mean ± SD. AMI, acute myocardial infarction; F, female; M, male; 6-MAM, 6-Monoacetylmorphine; PMI, postmortem interval; yr, year.

^*Only one subject positive for 6-MAM (0.05lμg/ml) Subjects are grouped based on their history of predominant heroin abuse and acute heroin intoxication as the cause of death (see Supplemental Information).