2023
Excess mortality in US Veterans during the COVID-19 pandemic: an individual-level cohort study
Weinberger D, Bhaskaran K, Korves C, Lucas B, Columbo J, Vashi A, Davies L, Justice A, Rentsch C. Excess mortality in US Veterans during the COVID-19 pandemic: an individual-level cohort study. International Journal Of Epidemiology 2023, 52: 1725-1734. PMID: 37802889, PMCID: PMC10749763, DOI: 10.1093/ije/dyad136.Peer-Reviewed Original ResearchConceptsExcess mortality ratesExcess mortalityComorbidity burdenHazard ratioCohort studyMortality rateVeterans Aging Cohort Study (VACS) IndexIndividual-level cohort studyVeterans AffairsCOVID-19 pandemicLarge integrated healthcare systemExcess mortality patternsHigher comorbidity burdenLower comorbidity burdenMost frail patientsCharlson Comorbidity IndexObservational cohort studyClinical risk groupsIntegrated healthcare systemLeast frailComorbidity indexFrail patientsPre-pandemic periodMedian ageUS veterans
2021
Case fatality risk of the SARS-CoV-2 variant of concern B.1.1.7 in England, 16 November to 5 February
Grint D, Wing K, Williamson E, McDonald H, Bhaskaran K, Evans D, Evans S, Walker A, Hickman G, Nightingale E, Schultze A, Rentsch C, Bates C, Cockburn J, Curtis H, Morton C, Bacon S, Davy S, Wong A, Mehrkar A, Tomlinson L, Douglas I, Mathur R, Blomquist P, MacKenna B, Ingelsby P, Croker R, Parry J, Hester F, Harper S, DeVito N, Hulme W, Tazare J, Goldacre B, Smeeth L, Eggo R. Case fatality risk of the SARS-CoV-2 variant of concern B.1.1.7 in England, 16 November to 5 February. Eurosurveillance 2021, 26: 2100256. PMID: 33739254, PMCID: PMC7976383, DOI: 10.2807/1560-7917.es.2021.26.11.2100256.Peer-Reviewed Original Research
2020
Development and validation of a 30-day mortality index based on pre-existing medical administrative data from 13,323 COVID-19 patients: The Veterans Health Administration COVID-19 (VACO) Index
King JT, Yoon JS, Rentsch CT, Tate JP, Park LS, Kidwai-Khan F, Skanderson M, Hauser RG, Jacobson DA, Erdos J, Cho K, Ramoni R, Gagnon DR, Justice AC. Development and validation of a 30-day mortality index based on pre-existing medical administrative data from 13,323 COVID-19 patients: The Veterans Health Administration COVID-19 (VACO) Index. PLOS ONE 2020, 15: e0241825. PMID: 33175863, PMCID: PMC7657526, DOI: 10.1371/journal.pone.0241825.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexVeterans Health AdministrationVACO IndexValidation cohortMedical administrative dataDevelopment cohortSARS-CoV-2 testing resultsMortality indexICD-10 diagnosis codesUS Veterans Health AdministrationSARS-CoV-2 infectionPre-existing medical conditionsCOVID-19 mortality riskPeripheral vascular diseaseCOVID-19 patientsCOVID-19 infectionCOVID-19 mortalitySARS-CoV-2Administrative dataLogistic regression modelsRace/ethnicityCohort subgroupsComorbidity indexOverall mortalityComorbid conditionsSafety of Gabapentin Prescribed for Any Indication in a Large Clinical Cohort of 571,718 US Veterans with and without Alcohol Use Disorder
Rentsch CT, Morford KL, Fiellin DA, Bryant KJ, Justice AC, Tate JP. Safety of Gabapentin Prescribed for Any Indication in a Large Clinical Cohort of 571,718 US Veterans with and without Alcohol Use Disorder. Alcohol Clinical And Experimental Research 2020, 44: 1807-1815. PMID: 32628784, PMCID: PMC7540277, DOI: 10.1111/acer.14408.Peer-Reviewed Original ResearchConceptsAlcohol use disorderMental statusRelative riskGabapentin exposureUse disordersICD-9 diagnostic codesAdverse neurologic effectsPotential medication interactionsAltered mental statusIncidence of fallsClear dose-response relationshipLarge clinical cohortDose-response relationshipRace/ethnicityUnexposed patientsHepatitis CAdverse eventsMedication interactionsExcess riskNeurologic effectsUS veteransDiagnostic codesIncidence rateClinical cohortHigh risk
2019
Association Between Gabapentin Receipt for Any Indication and Alcohol Use Disorders Identification Test—Consumption Scores Among Clinical Subpopulations With and Without Alcohol Use Disorder
Rentsch CT, Fiellin DA, Bryant KJ, Justice AC, Tate JP. Association Between Gabapentin Receipt for Any Indication and Alcohol Use Disorders Identification Test—Consumption Scores Among Clinical Subpopulations With and Without Alcohol Use Disorder. Alcohol Clinical And Experimental Research 2019, 43: 522-530. PMID: 30620410, PMCID: PMC6397056, DOI: 10.1111/acer.13953.Peer-Reviewed Original ResearchConceptsAlcohol use disorderAlcohol Use Disorders Identification Test-Consumption scoresAUDIT-C scoresAlcohol consumptionUnexposed patientsClinical trialsUse disordersBaseline levelsVeterans Aging Cohort StudyDoses of gabapentinAging Cohort StudyImpact of gabapentinSubstance use treatmentDifferences linear regression modelGabapentin doseCohort studyCurrent medicationsBaseline auditMultivariable differenceClinical indicationsAUD historyPatientsGabapentinClinical subpopulationsConsecutive days
2015
Alcohol-Related Diagnoses and All-Cause Hospitalization Among HIV-Infected and Uninfected Patients: A Longitudinal Analysis of United States Veterans from 1997 to 2011
Rentsch C, Tate JP, Akgün KM, Crystal S, Wang KH, Ryan Greysen S, Wang EA, Bryant KJ, Fiellin DA, Justice AC, Rimland D. Alcohol-Related Diagnoses and All-Cause Hospitalization Among HIV-Infected and Uninfected Patients: A Longitudinal Analysis of United States Veterans from 1997 to 2011. AIDS And Behavior 2015, 20: 555-564. PMID: 25711299, PMCID: PMC4550577, DOI: 10.1007/s10461-015-1025-y.Peer-Reviewed Original ResearchConceptsAlcohol-related diagnosesHospitalization ratesUnited States veteransUninfected patientsCause hospitalizationHIV infectionStates veteransUninfected individualsMultivariable Cox proportional hazards modelsCox proportional hazards modelOverall hospitalization rateProportional hazards modelCancer admissionsAntiretroviral therapyMultivariable adjustmentHIV serostatusComorbidity variablesHospitalization trendsRelative riskHigh riskHazards modelHIVHospitalizationDisease categoriesPatients