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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