Table 3.

Substance Use and Infarct Morphology

	Years of Substance Use
	Alcohol	Cannabis	Cocaine	Amphetamine	Hallucinogen	Opiate	IVDUa
Cortical (n=9)
Median	5	10	7.5	0.5	0	0	3.5
Mean	9.50	13.78	9.94	4.50	1.86	3.94	5.38
Lacunar (n=14)
Median	20	4.5	10	3.5	0	6	20
Mean	18.09	8.79	14.45	4.65	0.50	12.75	20.36
P value of Mann–Whitney U test	0.364	0.734	0.904	0.962	0.837	0.11	0.041

^aIVDU indicates intravenous drug use.