Two-year clinical outcomes of a multicenter randomized controlled trial comparing two interspinous spacers for treatment of moderate lumbar spinal stenosis
Patel VV, Whang PG, Haley TR, Bradley WD, Nunley PD, Miller LE, Block JE, Geisler FH. Two-year clinical outcomes of a multicenter randomized controlled trial comparing two interspinous spacers for treatment of moderate lumbar spinal stenosis. BMC Musculoskeletal Disorders 2014, 15: 221. PMID: 24996648, PMCID: PMC4109165, DOI: 10.1186/1471-2474-15-221.Peer-Reviewed Original ResearchMeSH KeywordsAgedBack PainDisability EvaluationEquipment DesignFemaleHumansLumbar VertebraeMaleOrthopedic ProceduresPain MeasurementPain, PostoperativePatient SatisfactionPredictive Value of TestsProspective StudiesRadiographyRecovery of FunctionSpinal StenosisSurveys and QuestionnairesTime FactorsTreatment OutcomeUnited StatesConceptsModerate lumbar spinal stenosisLumbar spinal stenosisConservative careInterspinous spacerClinical outcomesSpinal stenosisBack functionTwo-year clinical outcomesOswestry Disability IndexPhysical function scoresPatient-reported outcomesInvasive surgical alternativePatient satisfaction scoresExtremity painAxial painDisability IndexComplication dataFunction scoresSurgical alternativePatientsSatisfaction scoresSymptom severityPainIndex levelMulticenter