Table 2

Univariate analysis of cocaine and amphetamine vs. MI, stroke, and mortality

Outcome	No						No
Outcome	Amp	%	Amp	%	RR	P value	Cocaine	%	Cocaine	%	RR	P value
All patients	288 154	90.70	29 534	9.30			292 868	92.19	24 820	7.81
MI	441	0.15	26	0.09	0.58	0.005	450	0.15	17	0.07	0.45	<0.001
Stroke	785	0.27	75	0.25	0.93	0.561	803	0.27	57	0.23	0.84	0.195
Mortality	10 474	3.63	896	3.03	0.83	<0.001	10 682	3.65	688	2.77	0.76	<0.001
All surgical patients	106 408	89.47	12 520	10.53			108 701	91.40	10 227	8.60
MI	280	0.26	19	0.15	0.58	0.019	287	0.26	12	0.12	0.44	0.005
Stroke	588	0.55	58	0.46	0.84	0.198	601	0.55	45	0.44	0.8	0.138
Mortality	4464	4.2	411	3.28	0.78	<0.001	4568	4.2	307	3	0.71	<0.001
Immediate surgery	32 560	88.52	4223	11.48			33 438	90.91	3345	9.09
MI	72	0.22	5	0.12	0.54	0.169	74	0.22	3	0.09	0.41	0.112
Stroke	202	0.62	19	0.45	0.73	0.177	203	0.61	18	0.54	0.89	0.623
Mortality	1886	5.79	174	4.12	0.71	<0.001	1938	5.8	122	3.65	0.63	<0.001

Significant protective associations shown in bold.
Amp, amphetamine; MI, myocardial infarction; RR, relative risk.