| Strontium ranelate n = 566 (%) | Placebo n = 539 (%) | p | RR (95% CI) | |
| Overall score | 9.9 | 17.1 | 0.0005 | 0.58 (0.42 to 0.79) |
| Disc space narrowing | 7.9 | 11.8 | 0.03 | 0.67 (0.47 to 0.97) |
| Anterior osteophytes | 12.9 | 15.5 | 0.22 | 0.84 (0.63 to 1.12) |
| Posterior osteophytes | 1.4 | 2.6 | 0.16 | 0.55 (0.23 to 1.29) |
| Sclerosis | 0 | 0.2 | NA | NA |