Table 1.

Demographic inputs by treatment comparison^a

	BKP	CMM	P Value	VP	CMM	P Value
Inpatient
N	2,071	2,071		710	710
Age, mean	81.6	82.2	0.028	81.4	81.8	0.287
Female, %	82	83	0.387	82	83	0.780
CCI score ≥ 2, %	42	44	0.630	47	48	0.494
Outpatient
N	3,708	3,708		1,042	1,042
Age, mean	78.9	79.3	0.015	79.5	80.4	0.006
Female, %	78	81	0.013	79	80	0.704
CCI score ≥ 2, %	22	22	0.701	24	24	0.985

^aBeta distributions were used to represent uncertainty for both age and gender split. Values based on propensity-score-matched cohorts in an analysis of CMS claims data

BKP, balloon kyphoplasty; CMM, conventional medical management; VP, vertebroplasty; CCI, Charlson Comorbidity Index