Table 2

Patient demographics.

DemographicSpinal DeformitiesDegenerative DiseasesVertebral FracturesTotal Population P Value
Gender, n
 Women5019776NA
 Men812525
Age, y, mean (range)46 (13–79)59 (16–84)72 (51–86)56 (13–86)<0.01
Body mass index, kg/m², mean (range)23.4 (14.9–36.9)26.3 (20–37)27.3 (21.1–36.5)24.8 (14.9–36.9)<0.01
Vertebral levels treated, mean (range)9 (4–16)2 (1–4)1 (1–2)NA<0.01