Table 2:

Patients with new radiographic fractures^{^a}

	Kyphoplasty	Vertebroplasty	P Value
0–3 Mo
None	115 (76.7%)	106 (72.6%)	.43
All subsequent	35 (23.3%)	40 (27.4%)	.43
0–12 Mo^{^b}
None	90 (64.3%)	74 (56.5%)	.21
All subsequent	50 (35.7%)	57 (43.5%)	.21
0–24 Mo^{^b}
None	56 (50.9%)	47 (42.3%)	.23
All subsequent	54 (49.1%)	64 (57.7%)	.23

↵a Radiographic fractures identified by a core laboratory.
↵b Co-primary end point.