Suitable women were invited for a screening visit

They were included in the trial if they met the inclusion criteria and after written informed consent. Then randomization took place.Copyright information:Taken from "Efficacy of tibolone and raloxifene for the maintenance of skeletal muscle strength, bone mineral density, balance, body composition, cognitive function, mood/depression, anxiety and quality of life/well-being in late postmenopausal women ≥ 70 years: Study design of a randomized, double-blind, double-dummy, placebo-controlled, single-center trial"http://www.trialsjournal.com/content/9/1/32Trials 2008;9():32-32.Published online 5 Jun 2008PMCID:PMC2427014.