Table 4.

Prevalence and incidence of vertebral fractures

	All patients	Group A calcium/vitamin D	Group B + sodium fluoride	Group C + ibandronate
No. of patients	123	27	47	49
Patients with fractures, n (%)	29 (23.6)	6 (22.2)	9 (19.2)	14 (28.6)
No. of fractures	56	10	18	28
New fractures (n)	1	0	1	0
T-score lumbar spine	-1.80 ± 0.34	-1.57 ± 0.31	-1.82 ± 0.40	-1.91 ± 0.04
BMD lumbar spine (g/cm2)	0.87 ± 0.05	0.90 ± 0.04	0.87 ± 0.05	-0.86 ± 0.04
Follow-up (yr)	2.65 ± 1.00	2.58 ± 1.00	2.92 ± 0.89	2.44 ± 1.17

BMD: Bone mineral density.