2023
Development and validation of a model predicting mild stroke severity on admission using electronic health record data
Waddell K, Myers L, Perkins A, Sico J, Sexson A, Burrone L, Taylor S, Koo B, Daggy J, Bravata D. Development and validation of a model predicting mild stroke severity on admission using electronic health record data. Journal Of Stroke And Cerebrovascular Diseases 2023, 32: 107255. PMID: 37473533, DOI: 10.1016/j.jstrokecerebrovasdis.2023.107255.Peer-Reviewed Original ResearchConceptsInitial stroke severityStroke severityElectronic health record dataHealth record dataSevere strokeIschemic strokeStroke careSample patientsMortality risk stratificationRecord dataVeterans Affairs hospitalMild stroke severityMultiple logistic regressionObservational cohortStroke outcomeIndependent predictorsRisk stratificationEHR data elementsPrimary analysisLogistic regressionStrokeValidation sampleSeverityPotent modifierEHR data
2022
Pairing regression and configurational analysis in health services research: modelling outcomes in an observational cohort using a split-sample design
Miech EJ, Perkins AJ, Zhang Y, Myers LJ, Sico JJ, Daggy J, Bravata DM. Pairing regression and configurational analysis in health services research: modelling outcomes in an observational cohort using a split-sample design. BMJ Open 2022, 12: e061469. PMID: 35672067, PMCID: PMC9174826, DOI: 10.1136/bmjopen-2022-061469.Peer-Reviewed Original ResearchConceptsTransient ischemic attackLogistic regression modelsHealth services researchSet of patientsOverall sample prevalenceObservational cohortLogistic regressionSample prevalenceRecurrent ischemic strokeVeterans Affairs hospitalRegression modelsServices researchIschemic attackRecurrent strokeCause mortalityCombined endpointIschemic strokePatient outcomesDeath outcomesCare outcomesPatientsSecondary analysisPrevalenceOutcomesCohort
2021
Hospital Factors, Performance on Process Measures After Transient Ischemic Attack, and 90-Day Ischemic Stroke Incidence
Levine DA, Perkins AJ, Sico JJ, Myers LJ, Phipps MS, Zhang Y, Bravata DM. Hospital Factors, Performance on Process Measures After Transient Ischemic Attack, and 90-Day Ischemic Stroke Incidence. Stroke 2021, 52: 2371-2378. PMID: 34039034, PMCID: PMC8238890, DOI: 10.1161/strokeaha.120.031721.Peer-Reviewed Original ResearchConceptsIschemic stroke incidenceStroke incidenceHospital factorsPhysician staffingTIA patientsHypertension controlProcess measuresModerate potency statinTransient ischemic attackDays of dischargeEmergency department dischargeVeterans Affairs hospitalEligible patientsIschemic attackStatin useAntithrombotic useEmergency departmentEmergency physiciansInpatient unitDay 2HospitalPatient volumeFiscal year 2015PatientsIncidence
2016
Have clinicians adopted the use of brain MRI for patients with TIA and minor stroke?
Chaturvedi S, Ofner S, Baye F, Myers LJ, Phipps M, Sico JJ, Damush T, Miech E, Reeves M, Johanning J, Williams LS, Arling G, Cheng E, Yu Z, Bravata D. Have clinicians adopted the use of brain MRI for patients with TIA and minor stroke? Neurology 2016, 88: 237-244. PMID: 27927939, PMCID: PMC5272790, DOI: 10.1212/wnl.0000000000003503.Peer-Reviewed Original ResearchConceptsTIA/minor strokeDays of presentationMinor strokeDiffusion-weighted imagingPrevious guidelinesHospital complexityCoronary artery diseaseMinor stroke patientsVeterans Affairs hospitalPreferred imaging modalityUse of MRISubset of hospitalsFacility-level variablesPerformance of MRINational Health SystemPrior strokeSymptom durationChart abstractionArtery diseaseBlood pressureHeart failureNeurologic consultationStroke patientsAtrial fibrillationClinical variables