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We read with interest the paper regarding the efficacy and safety of strontium ranelate in the treatment of knee osteoarthritis: results of a double-blind, randomised placebo-controlled trial.1 We note the exclusion criteria included secondary knee osteoarthritis. On review of the results section, it appears that many of the patients, the randomised and the intention-to-treat groups, for example, the strontium 1 g/day group, strontium 2 g/day group and placebo group, were either overweight or …
Competing interests None.
Provenance and peer review Not commissioned; externally peer reviewed.