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Table 1 Estimated number of knee arthrodesis procedures in the United States from 1993 to 2011

From: Knee arthrodesis: procedures and perspectives in the US from 1993 to 2011

	All procedures		Primary procedure
	Estimate	SE	Estimate	SE
1993	1180	97	789	75
1994	952	98	642	72
1995	1044	93	700	72
1996	1021	91	729	74
1997	895	95	621	75
1998	922	88	684	73
1999	952	90	659	73
2000	1021	117	740	93
2001	928	139	687	98
2002	1131	124	845	92
2003	1293	162	879	97
2004	963	109	639	81
2005	1022	133	682	87
2006	1032	101	745	80
2007	902	107	660	79
2008	1111	115	843	85
2009	895	89	661	76
2010	858	83	516	65
2011	1122	163	652	77
Avg.	1013	110	704	80

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