Research Article

Outcomes and National Trends for the Surgical Treatment of Lumbar Spine Trauma

Table 1

Characteristics of 102,316 vertebral compression fracture patients that underwent vertebral augmentation procedures between 2004 and 2011.

All cases ()Vertebral augmentation procedure type value
Fusion (30.6)Kyphoplasty (17.1)Vertebroplasty (49.9)Multiple surgeries (2.5)

Age in years
 Mean (SE)67.5 (0.4)46.2 (0.3)78.5 (0.2)76.7 (0.2)68.3 (1.0)<.0001
 Median (IQR)73 (54–82)46 (31–58)80 (72–86)79 (70–85)72 (57–81)
Age by categories, (%)<.0001
 18–4415985 (15.6)14772 (47.1)212 (1.2)725 (1.4)276 (11.0)
 45–6419963 (19.5)11133 (35.5)1730 (9.9)6536 (12.8)564 (22.5)
 65–8445578 (44.5)4912 (15.7)9736 (55.8)29687 (58.2)1243 (49.6)
 85+20791 (20.3)516 (1.6)5777 (33.1)14074 (27.6)424 (16.9)
Female, (%)60155 (58.8)11597 (37.0)12149 (69.6)34941 (68.5)1469 (58.6)<.0001
Race, (%)<.0001
 White71037 (85.4)19560 (79.5)12044 (87.5)37651 (88.1)1782 (87.8)
 Black2220 (2.7)962 (3.9)355 (2.6)848 (2.0)54 (2.7)
 Hispanic5448 (6.6)2409 (9.8)757 (5.5)2176 (5.1)106 (5.2)
 Asian/Pacific Islander1886 (2.7)620 (2.5)343 (2.5)891 (2.1)32 (1.6)
 Native American347 (0.4)162 (0.7)33 (0.2)147 (0.3)5 (0.2)
 Other2195 (2.6)882 (3.6)233 (1.7)1030 (2.4)51 (2.5)
Primary payer, (%)<.0001
 Medicare63622 (62.3)5617 (18.0)14642 (84.0)41780 (82.0)1584 (63.3)
 Medicaid4462 (4.4)3124 (10.0)299 (1.7)943 (1.9)96 (3.8)
 Private insurance23781 (23.3)14600 (46.8)1993 (11.4)6509 (12.9)590 (23.6)
 Self-pay3973 (3.9)3258 (10.4)166 (1.0)473 (0.9)76 (3.0)
 No charge321 (0.3)237 (0.8)10 (0.06)70 (0.1)5 (0.2)
 Others5923 (5.8)4354 (14.0)324 (1.9)1092 (2.1)153 (6.1)
Median income, (%).0002
 <39,00024614 (24.6)8494 (28.0)3685 (21.4)11806 (23.6)629 (25.8)
39,900–47,99927666 (27.6)8298 (27.3)4825 (28.1)13912 (27.8)630 (25.9)
48,000–62,99925572 (25.5)7375 (24.3)4357 (25.3)13241 (26.4)599 (24.5)
 >63,00022269 (22.20)6207 (20.4)4322 (25.1)11160 (22.3)580 (23.8)

Rounded percent (%); missing data rates: female (.06), race (18.7), primary payer (.23), and median income (2.1).
Comparisons between fusion, kyphoplasty, and vertebroplasty cohorts; comparisons: white versus others and private versus nonprivate.