Table 1.

Revision TKA by drug abuse or dependency

Year	Revision TKA		Cocaine		Cannabis		Opioid		SHA		Amphetamines		Alcohol
2005	22,165	8.4%	209	16.3%	123	13.5%	631	14.4%	163	12.6%	37	11.0%	911	8.2%
2006	22,096	8.4%	229	15.0%	166	14.6%	795	15.9%	193	13.2%	55	14.4%	1,115	9.0%
2007	22,961	8.6%	282	16.9%	242	17.6%	954	16.2%	239	13.9%	65	16.5%	1,299	9.4%
2008	23,334	8.7%	263	16.3%	256	17.1%	1,074	17.3%	287	15.9%	62	15.5%	1,331	9.6%
2009	23,777	8.9%	279	17.5%	284	16.9%	1,157	16.7%	269	14.4%	82	17.6%	1,409	9.6%
2010	24,855	8.9%	280	17.1%	322	16.4%	1,247	16.1%	292	14.4%	87	17.6%	1,421	9.0%
2011	26,632	9.9%	283	16.0%	323	13.8%	1,191	13.8%	280	13.2%	84	14.9%	1,387	7.8%
2012	27,187	9.8%	256	14.1%	282	10.8%	1,043	11.0%	245	11.4%	74	12.5%	1,338	7.2%
2013	27,693	9.6%	208	11.9%	250	9.4%	907	9.1%	220	9.8%	68	10.7%	1,100	5.9%
2014	27,398	9.7%	170	10.3%	188	6.5%	682	6.4%	167	7.8%	63	9.1%	827	4.5%
Total	248,098	9.1%	2,459	15.1%	2,436	12.8%	9,681	12.9%	2,355	12.5%	677	13.7%	12,138	7.8%
p-Value	<0.001	<0.001	0.464	0.022	0.195	0.210	0.612	0.007	0.789	0.034	0.110	0.267	0.909	0.010

Abbreviations: SHA, sedatives/hypnotics/anxiolytics; TKA, total knee arthroplasty.