Table 3:

Summary of patient demographics, comorbidities, and complications for vertebroplasty and kyphoplasty procedures performed from 2004 to 2008

	Patient Demographics, Comorbidities, and Complications	Total No. of Vertebroplasty Discharges	%	Total No. of Kyphoplasty Discharges	%	Comparison P Value
All discharges		53 417	100.00	152 183	100.00	<.001
Sex	Male	12 791	23.95	38 040	25.00	<.001
	Female	40 626	76.05	114 143	75.00	<.001
Age (yr)	18–44	691	1.29	1983	1.30	.861
	45–64	5182	9.70	16 277	10.70	<.001
	65–84	30 870	57.79	96 792	63.60	<.001
	85+	16 674	31.21	37 131	24.40	<.001
Complications	Pulmonary embolus	308	0.58	410	0.27	<.001
	Cardiovascular	195	0.37	763	0.50	<.001
	Post-op surgical	696	1.30	1958	1.29	.821
	Post-op neurologic	64	0.12	188	0.12	.831
Comorbidities	Obesity	1955	3.66	4928	3.24	<.001
	Diabetes	10 219	19.13	28 124	18.48	<.01
	Pulmonary disease	16 789	31.43	43 654	28.69	<.001
	Peripheral vascular disease	3735	6.99	8710	5.72	<.001
	Hypertension	31 633	59.22	89 445	58.77	<.074
	Congestive heart failure	7805	14.61	16 871	11.09	<.001
	Chronic ischemic heart disease	11 209	20.98	30 803	20.24	<.001
	Valve disease	1041	1.95	2346	1.54	<.001
Mortality	Died	384	0.72	618	0.41	<.001
Avg. age (yr)		78.2		76.9		<.001