Table 1.

Volumes and Rates of Vertebroplasty Among Medicare Part B Fee-for-Service Enrollees, 2001–2005

	YEAR
	2001	2002	2003	2004	2005
Nation-wide Medicare Part B fee-for-service enrollment population	31,912,051	32,946,811	33,662,744	34,077,252	34,243,425
Nation-wide vertebroplasty procedure volume	14,142	19,341	24,556	27,549	29,090
Overall nation-wide vertebroplasty rate	45.0	59.5	74.9	82.8	86.0
Median state vertebroplasty rate	35.4	53.8	61.9	74.9	75.0
Lowest state vertebroplasty rate *	0.0	0.0	0.2	1.5	9.8
Highest state vertebroplasty rate **	515.6	719.2	959.5	841.2	849.5

^*Puerto Rico had the lowest rate every year.

^**Washington, DC had the highest rate every year.

Note: Data on annual nationwide vertebroplasty volumes and overall rates also appear in Gray et al.²³