OsteoporosisOsteoporosis, PostmenopausalBone DensityBone Density Conservation AgentsOsteoporotic FracturesFractures, BoneDiphosphonatesAbsorptiometry, PhotonFractures, SpontaneousAlendronateBone and BonesBone Diseases, MetabolicStatistics as TopicTeriparatideSpinal FracturesVital StatisticsEtidronic AcidBone RemodelingBone ResorptionFemur NeckLumbar VertebraeHip FracturesRaloxifeneRisk FactorsNational Center for Health Statistics (U.S.)FemurOsteoclastsCalcaneusCalcium, DietaryOsteoblastsVitamin DSelective Estrogen Receptor ModulatorsGlucocorticoidsModels, StatisticalSpineOsteogenesisCalcitoninOsteocalcinHipRANK LigandOvariectomyEstrogen Replacement TherapyParathyroid HormoneReproducibility of ResultsData Interpretation, StatisticalAccidental FallsBone DiseasesAge FactorsAlgorithmsOsteoprotegerinDensitometryIliumPostmenopauseUnited StatesAlkaline PhosphataseCross-Sectional StudiesPrevalenceRadiusCollagen Type IStatistics, NonparametricSpinal InjuriesQuestionnairesMass ScreeningRisk AssessmentOsteomalaciaMetacarpusJaw DiseasesCalciumCanadaComputer SimulationMenopauseForearm InjuriesRetrospective StudiesSex FactorsEstrogensBiological MarkersBone DevelopmentMenTibiaTime FactorsFemoral Neck FracturesAge DistributionMineralsModels, GeneticTreatment OutcomeFractures, CompressionIncidenceCohort StudiesCathepsin KBack PainThoracic VertebraeCalcification, PhysiologicAgingHormone Replacement TherapyProspective StudiesHip JointAnabolic AgentsOsteonecrosisObserver VariationEndocrine System Diseases