Table 1.

Demographic information for nonelective, nonneoplastic hospital admissions for vertebral compression fractures

Variable	All	Kyphoplasty	Nonoperative	p value
Number of fractures	5766	15.3%	84.7%
Age in years [mean (standard deviation)]	81.1 (7.7)	80.0 (6.8)	81.3 (7.9)	< 0.001
Female gender	71.3%	16.3%
Male gender	28.7%	13.7%		0.022
Percent thoracic	37.1%	16.9%
Percent lumbar	62.9%	14.5%		0.014
Deyo-modified Charlson Comorbidity Index = 0	36.7%	36.3%	36.7%
1	29.5%	27.4%	29.9%
2	19.8%	20.8%	19.6%
3+	14.0%	15.5%	13.7%	0.305
Metropolitan hospital	79.0%	17.4%
Nonmetropolitan hospital	21.0%	7.7%		< 0.001
Number of procedures	0.8	2.1	0.6	< 0.001