Table 3.

Bone mineral density of the lumbar spine, in- and between-group change (intention-to-treat)

Lumbar spine	Baseline	End of study	Δ
Group A (n = 27)
T-score	-1.57 ± 0.31	-1.20 ± 0.46b	+0.38 ± 0.46
BMD	0.9 ± 0.04	0.94 ± 0.06	+0.04 ± 0.05
Follow-up (yr)	2.58 ± 1.0
Group B (n = 47)
T-score	-1.82 ± 0.40	-1.43 ± 0.62b	+0.37 ± 0.50
BMD	0.87 ± 0.05	0.91 ± 0.06	+0.04 ± 0.05
Follow-up (yr)	2.92 ± 0.89
Group C (n = 49)
T-score	-1.91 ± 0.40	-1.56 ± 0.56b	+0.35 ± 0.49
BMD	0.86 ± 0.04	0.90 ± 0.66	+0.04 ± 0.05
Follow-up (yr)	2.44 ± 1.17

^bP < 0.01. BMD: Bone mineral density.