Table 1

Percentage changes in bone mineral density from baseline to year 2

SiteAlendronatePlaceboAbsolute difference (95% CI)
Lumbar spine7.1 1.85.3 (4.3 to 6.3)
Femoral neck2.5−0.12.6 (1.6 to 3.7)
Trochanter4.3 1.33.1 (1.9 to 4.4)
Hip3.1 0.62.6 (1.5 to 3.7)
Total body2.0 0.41.6 (1.0 to 2.1)