Geographic Variations and Trends in Primary and Revision Knee and Total Hip Arthroplasties in the United States
Hilibrand AS, Rubin LE, Grauer JN. Geographic Variations and Trends in Primary and Revision Knee and Total Hip Arthroplasties in the United States. JBJS Open Access 2020, 5: e0051. PMID: 33123661, PMCID: PMC7418922, DOI: 10.2106/jbjs.oa.19.00051.Peer-Reviewed Original ResearchTotal hip arthroplastyPrimary knee arthroplastyRevision knee arthroplastyRevision total hip arthroplastyRevision ratioUnderwent revision proceduresMore chronic conditionsKnee arthroplastyMean ageLonger hospitalizationTHA cohortMale patientsArthroplasty cohortChronic conditionsPrimary procedureHip arthroplastyRevision proceduresPrimary total hip arthroplastyPrimary THA cohortPrognostic Level IIIRatio of revisionRevision THA cohortNational Inpatient SampleOlder mean ageYounger mean age