Table 2.

Prevalence of skeletal metastases in the Medicare population per 10,000

Year	<65 group	65+ group	Total
2005	22.26	32.84	31.17
2006	21.80	32.78	31.00
2007	21.65	32.92	31.06
2008	20.61	29.84	28.31
2009	22.08	31.30	29.77
2010	22.61	31.30	29.84
2011	23.53	32.03	30.57
2012	23.89	32.04	30.66
r2	0.46	0.13	0.06
p value	0.065	0.39	0.56
Co (LCL; UCL)	0.29 (−0.02; 0.61)	−0.15 (−0.55; 0.25)	−0.0948 (−0.48; 0.29)