2021
Learning From England's Best Practice Tariff
Zogg CK, Metcalfe D, Judge A, Perry DC, Costa ML, Gabbe BJ, Schoenfeld AJ, Davis KA, Cooper Z, Lichtman JH. Learning From England's Best Practice Tariff. Annals Of Surgery 2021, 275: 506-514. PMID: 33491982, PMCID: PMC9233527, DOI: 10.1097/sla.0000000000004305.Peer-Reviewed Original Research
2019
Coding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases
Metcalfe D, Masters J, Delmestri A, Judge A, Perry D, Zogg C, Gabbe B, Costa M. Coding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases. BMC Medical Research Methodology 2019, 19: 115. PMID: 31170931, PMCID: PMC6554904, DOI: 10.1186/s12874-019-0753-5.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexClinical Practice Research DatalinkElixhauser methodHip fractureLogistic regression modelsRead codesLarge primary care databaseUK primary care practicesPrimary care databasePrimary care practicesComorbidity categoriesComorbidity indexRegression modelsComorbidity measuresCare databaseComorbidity codesMethodsTwo researchersPredictive valueCare practicesControl populationPredictive propertiesReceiver Operating Characteristic (ROC) curveCharacteristic curveComorbiditiesOperating Characteristic curveTotal hip arthroplasty versus hemiarthroplasty for independently mobile older adults with intracapsular hip fractures
Metcalfe D, Judge A, Perry DC, Gabbe B, Zogg CK, Costa ML. Total hip arthroplasty versus hemiarthroplasty for independently mobile older adults with intracapsular hip fractures. BMC Musculoskeletal Disorders 2019, 20: 226. PMID: 31101041, PMCID: PMC6525472, DOI: 10.1186/s12891-019-2590-4.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overArthroplasty, Replacement, HipFemur HeadFracture DislocationHemiarthroplastyHip FracturesHumansIndependent LivingMiddle AgedPatient SelectionPostoperative ComplicationsQuality of LifeRandomized Controlled Trials as TopicRegistriesReoperationRisk FactorsUnited KingdomConceptsTotal hip arthroplastyNational Hip Fracture DatabaseHospital Episode StatisticsHip fractureIntracapsular hip fracturesMobile older adultsTHA dislocationOlder adultsHip arthroplastyPropensity scoreHealth-related qualityHip Fracture DatabaseClinical registry dataLength of stayMethodsA systematic reviewUrgent further studyDeath registration dataResultsFive RCTsFit patientsSecondary outcomesPrimary outcomeEpisode StatisticsSafety profileSurgical interventionFunctional outcome
2016
Are Older Adults With Hip Fractures Disadvantaged in Level 1 Trauma Centers?
Metcalfe D, Olufajo OA, Zogg CK, Gates JD, Weaver MJ, Harris MB, Rios-Diaz AJ, Haider AH, Salim A. Are Older Adults With Hip Fractures Disadvantaged in Level 1 Trauma Centers? Medical Care 2016, 54: 616-622. PMID: 26974676, DOI: 10.1097/mlr.0000000000000535.Peer-Reviewed Original ResearchConceptsLevel 1 trauma centerHigh-level trauma centersTrauma centerNontrauma centersHip fractureOlder adultsVenous thromboembolismPatient groupLevel 2 trauma centerIsolated hip fractureRetrospective cohort studyWorse clinical outcomesLength of stayLarge regional hospitalInhospital mortalityUnderwent surgeryUnplanned readmissionCohort studySurgical treatmentClinical outcomesInterhospital transferInpatient stayRegional hospitalHigher oddsBetter outcomesHospital case volume and outcomes for proximal femoral fractures in the USA: an observational study
Metcalfe D, Salim A, Olufajo O, Gabbe B, Zogg C, Harris MB, Perry DC, Costa ML. Hospital case volume and outcomes for proximal femoral fractures in the USA: an observational study. BMJ Open 2016, 6: e010743. PMID: 27056592, PMCID: PMC4838676, DOI: 10.1136/bmjopen-2015-010743.Peer-Reviewed Original ResearchConceptsHigh-volume hospitalsHip fractureObservational studyIsolated hip fractureRate of pneumoniaHip fracture careHospital case volumeLow-volume hospitalsProximal femoral fracturesLength of stayPatient safety imperativeHospital mortalityVenous thromboembolismSecondary outcomesFracture careClinical outcomesFemoral fracturesAcute hospitalsPatient outcomesInclusion criteriaPressure ulcersCase volumeHospitalOlder adultsOutcomesAccess to post-discharge inpatient care after lower limb trauma
Metcalfe D, Davis WA, Olufajo OA, Rios-Diaz AJ, Chaudhary MA, Harris MB, Zogg CK, Weaver MJ, Salim A. Access to post-discharge inpatient care after lower limb trauma. Journal Of Surgical Research 2016, 203: 140-144. PMID: 27338544, DOI: 10.1016/j.jss.2016.02.036.Peer-Reviewed Original ResearchConceptsLength of stayHospital LOSLower limb traumaLimb traumaInsurance statusUninsured patientsInpatient careLonger hospital LOSCalifornia State Inpatient DatabaseState Inpatient DatabasesLower limb injuriesNon-acute servicesAcute hospitalizationHospital dischargeInpatient DatabaseHospital characteristicsTrauma bedsClinical ModificationLimb injuriesObservational studyLower oddsEmergency careInternational ClassificationPatientsPrivate insurance