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
Left Atrial Mechanics and Diastolic Function Among People Living With Human Immunodeficiency Virus (from the Veterans Aging Cohort Study)
Berg C, Patel B, Reynolds M, Tuzovic M, Chew K, Sico J, Bhattacharya D, Butt A, Lim J, Bedimo R, Brown S, Gottdiener J, Warner A, Freiberg M, So-Armah K, Nguyen K. Left Atrial Mechanics and Diastolic Function Among People Living With Human Immunodeficiency Virus (from the Veterans Aging Cohort Study). The American Journal Of Cardiology 2022, 186: 50-57. PMID: 36343446, PMCID: PMC10193525, DOI: 10.1016/j.amjcard.2022.10.035.Peer-Reviewed Original ResearchConceptsDiastolic dysfunctionDiastolic functionAtrial mechanicsLA strainHuman immunodeficiency virus (HIV) infectionLogistic regressionCross-sectional cohort analysisCohort of PLWHHIV uninfected controlsLA conduit strainLA phasic strainLA reservoir strainLeft Atrial MechanicsLV diastolic dysfunctionHIV viral loadHIV viral suppressionImmunodeficiency virus infectionVentricular diastolic functionHuman immunodeficiency virusPropensity weightingPLWH cohortSubclinical cardiomyopathyAntiretroviral therapyCardiovascular deathViral suppressionPairing 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
2016
Increase in migraine diagnoses and guideline-concordant treatment in veterans, 2004–2012
Altalib H, Fenton B, Sico J, Goulet J, Bathulapalli H, Mohammad A, Kulas J, Driscoll M, Dziura J, Mattocks K, Kerns R, Brandt C, Haskell S. Increase in migraine diagnoses and guideline-concordant treatment in veterans, 2004–2012. Cephalalgia 2016, 37: 3-10. PMID: 26950804, DOI: 10.1177/0333102416631959.Peer-Reviewed Original ResearchConceptsBurden of migraineMigraine diagnosisVeterans Health Administration electronic health recordsGuideline-concordant treatmentGuideline-concordant careMigraine-specific medicationsICD-9 codesChi-square testHealth care systemNumber of veteransElectronic health recordsTriptan prescriptionMigraine preventionGuideline adherenceMigraine medicationsComorbid conditionsNational health care systemMigraine headacheMedicationsMigraineTime-series studyLogistic regressionCare systemPreventive medicineHealth administrators