The Effects of Trends in Osteoporosis Treatment on the Incidence of Fractures

Table 1

Baseline variables by group.

	Oral group	IV/SC group	value
Number	1487(150)	457(78)
Age (y)	79.3 ± 7.9	81.2 ± 6.4	0.200^a
BMI (kg/m^2)	25 ± 4.0	24.1 ± 3.6	0.201^a
BMD: femur (g/cm^2)	0.464 ± 0.035	0.491 ± 0.052	0.538^a
BMD: lumbar spine (g/cm^2)	0.585 ± 0.042	0.552 ± 0.028	0.052^a
FRAX	20.6	25.9	0.158^b
Previous history of treatment	150	78	0.052
Alendronate	20	11
Risedronate	30	13
Minodronate	18	8
SERM	46	22
Vit D	32	17
Ca supplement	4	7

^aStudent’s t-test, ^bχ² test, ( ): number of previous history of treatment.