Strontium ranelate v placebo for postmenopausal women with osteoporosis*

Outcomes at 3 yearsStrontiumPlaceboRRR (95% CI)NNT (CI)
*Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
New vertebral fracture21%33%36% (24 to 47)9 (7 to 14)
Vertebral height loss ⩾1 cm30%37.5%20% (7 to 31)14 (9 to 40)
Non-vertebral fracture16%17%8% (−17 to 27)Not significant