2022
Overall and cause-specific hospitalisation and death after COVID-19 hospitalisation in England: A cohort study using linked primary care, secondary care, and death registration data in the OpenSAFELY platform
Bhaskaran K, Rentsch CT, Hickman G, Hulme WJ, Schultze A, Curtis HJ, Wing K, Warren-Gash C, Tomlinson L, Bates CJ, Mathur R, MacKenna B, Mahalingasivam V, Wong A, Walker AJ, Morton CE, Grint D, Mehrkar A, Eggo RM, Inglesby P, Douglas IJ, McDonald HI, Cockburn J, Williamson EJ, Evans D, Parry J, Hester F, Harper S, Evans SJ, Bacon S, Smeeth L, Goldacre B. Overall and cause-specific hospitalisation and death after COVID-19 hospitalisation in England: A cohort study using linked primary care, secondary care, and death registration data in the OpenSAFELY platform. PLOS Medicine 2022, 19: e1003871. PMID: 35077449, PMCID: PMC8789178, DOI: 10.1371/journal.pmed.1003871.Peer-Reviewed Original ResearchConceptsCOVID-19 patientsCOVID-19 hospitalisationGeneral population controlsCOVID-19 groupCOVID-19 survivorsHospital admissionHigh riskInfluenza hospitalisationsCause mortalityCohort studyInfluenza patientsPrimary careGeneral populationInitial infectionAcute coronavirus disease 2019Lower respiratory tract infectionsSevere COVID-19 outcomesLong-term adverse outcomesCOVID-19 hospital admissionsSpecific causesPopulation controlsCause-specific hospitalisationRespiratory tract infectionsCause-specific outcomesPotential risk factorsGeographic and temporal variation in racial and ethnic disparities in SARS-CoV-2 positivity between February 2020 and August 2021 in the United States
Ferguson JM, Justice AC, Osborne TF, Magid HSA, Purnell AL, Rentsch CT. Geographic and temporal variation in racial and ethnic disparities in SARS-CoV-2 positivity between February 2020 and August 2021 in the United States. Scientific Reports 2022, 12: 273. PMID: 34997001, PMCID: PMC8741774, DOI: 10.1038/s41598-021-03967-5.Peer-Reviewed Original Research
2021
Association between warfarin and COVID-19-related outcomes compared with direct oral anticoagulants: population-based cohort study
Wong A, Tomlinson L, Brown J, Elson W, Walker A, Schultze A, Morton C, Evans D, Inglesby P, MacKenna B, Bhaskaran K, Rentsch C, Powell E, Williamson E, Croker R, Bacon S, Hulme W, Bates C, Curtis H, Mehrkar A, Cockburn J, McDonald H, Mathur R, Wing K, Forbes H, Eggo R, Evans S, Smeeth L, Goldacre B, Douglas I. Association between warfarin and COVID-19-related outcomes compared with direct oral anticoagulants: population-based cohort study. Journal Of Hematology & Oncology 2021, 14: 172. PMID: 34666811, PMCID: PMC8525065, DOI: 10.1186/s13045-021-01185-0.Peer-Reviewed Original ResearchConceptsDirect oral anticoagulantsPopulation-based cohort studyCOVID-19-related outcomesSevere COVID-19Oral anticoagulantsCohort studyHazard ratioLower riskNegative control outcome analysisSevere COVID-19 diseaseNon-valvular atrial fibrillationPrimary care dataCOVID-19 outcomesCOVID-19COVID-19 diseaseNegative control outcomesDOAC usersOpenSAFELY platformWarfarin usersHospital admissionAtrial fibrillationClinical evidenceCox regressionResultsA totalOutcome analysisRisks of covid-19 hospital admission and death for people with learning disability: population based cohort study using the OpenSAFELY platform
Williamson EJ, McDonald HI, Bhaskaran K, Walker AJ, Bacon S, Davy S, Schultze A, Tomlinson L, Bates C, Ramsay M, Curtis HJ, Forbes H, Wing K, Minassian C, Tazare J, Morton CE, Nightingale E, Mehrkar A, Evans D, Inglesby P, MacKenna B, Cockburn J, Rentsch CT, Mathur R, Wong AYS, Eggo RM, Hulme W, Croker R, Parry J, Hester F, Harper S, Douglas IJ, Evans SJW, Smeeth L, Goldacre B, Kuper H. Risks of covid-19 hospital admission and death for people with learning disability: population based cohort study using the OpenSAFELY platform. The BMJ 2021, 374: n1592. PMID: 34261639, PMCID: PMC8278652, DOI: 10.1136/bmj.n1592.Peer-Reviewed Original ResearchConceptsCovid-19 related hospital admissionRelated hospital admissionsNon-COVID deathsHospital admissionOpenSAFELY platformDown syndromeCohort studyHazard ratioCerebral palsyDisability registersGeneral practiceCOVID-19COVID-19 hospital admissionsMain exposure groupsCOVID-19 vaccinationHospital admission dataPatient-level dataLow event ratesNon-COVID causesCOVID-19 testingTargeted preventive measuresWave 2Wave 1Electronic health recordsProfound learning disabilitiesSocial determinants of pertussis and influenza vaccine uptake in pregnancy: a national cohort study in England using electronic health records
Walker JL, Rentsch CT, McDonald HI, Bak J, Minassian C, Amirthalingam G, Edelstein M, Thomas S. Social determinants of pertussis and influenza vaccine uptake in pregnancy: a national cohort study in England using electronic health records. BMJ Open 2021, 11: e046545. PMID: 34155074, PMCID: PMC8217954, DOI: 10.1136/bmjopen-2020-046545.Peer-Reviewed Original ResearchConceptsPertussis vaccine uptakeVaccine uptakeNon-white ethnicityPregnant womenEligible pregnanciesSocial determinantsCohort studyNationwide population-based cohort studyClinical Practice Research DatalinkPopulation-based cohort studyGreater deprivationCare dataLow vaccine uptakeInfluenza vaccine uptakeSecondary care dataNational cohort studyPrimary care dataVaccine-preventable diseasesLow uptakeVaccine promotion strategiesElectronic health recordsInfluenza vaccinationMaternal ageSuccessive pregnanciesVaccination promotionAssociation between living with children and outcomes from covid-19: OpenSAFELY cohort study of 12 million adults in England
Forbes H, Morton CE, Bacon S, McDonald HI, Minassian C, Brown JP, Rentsch CT, Mathur R, Schultze A, DeVito NJ, MacKenna B, Hulme WJ, Croker R, Walker AJ, Williamson EJ, Bates C, Mehrkar A, Curtis HJ, Evans D, Wing K, Inglesby P, Drysdale H, Wong AYS, Cockburn J, McManus R, Parry J, Hester F, Harper S, Douglas IJ, Smeeth L, Evans SJW, Bhaskaran K, Eggo RM, Goldacre B, Tomlinson LA. Association between living with children and outcomes from covid-19: OpenSAFELY cohort study of 12 million adults in England. The BMJ 2021, 372: n628. PMID: 33737413, PMCID: PMC7970340, DOI: 10.1136/bmj.n628.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionIntensive care admissionHospital admissionCare admissionCohort studyCOVID-19Covid-19 related hospital admissionSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Wave 2Primary care dataRelated hospital admissionsSyndrome coronavirus 2Adults 65 yearsCohort of adultsCOVID-19 outcomesCoronavirus disease 2019COVID-19 mortalityRisk of infectionWave 1UK pandemicHazard ratioIntensive careAbsolute risk
2020
COVID-19 in Great Britain: epidemiological and clinical characteristics of the first few hundred (FF100) cases: a descriptive case series and case control analysis
Boddington N, Charlett A, Elgohari S, Walker J, McDonald H, Byers C, Coughlan L, Vilaplana T, Whillock R, Sinnathamby M, Panagiotopoulos N, Letley L, MacDonald P, Vivancos R, Edeghere O, Shingleton J, Bennett E, Grint D, Strongman H, Mansfield K, Rentsch C, Minassian C, Douglas I, Mathur R, Peppa M, Cottrell S, McMenamin J, Zambon M, Ramsay M, Dabrera G, Saliba V, Bernal J. COVID-19 in Great Britain: epidemiological and clinical characteristics of the first few hundred (FF100) cases: a descriptive case series and case control analysis. Bulletin Of The World Health Organization 2020, 99: 178-189. PMID: 33716340, PMCID: PMC7941108, DOI: 10.2471/blt.20.265603.Peer-Reviewed Original ResearchConceptsProportion of COVID-19 casesPredictive value of symptomsTraining public health professionalsHealth-care seeking behaviorOccurrence of feverCase-control analysisCourse of diseaseSpecificity of symptomsShortness of breathPublic health professionalsProportion of childrenClinical presentationClinical characteristicsExposure to infectionRespiratory infectionsCases of coronavirus disease 2019Household contactsHealth professionalsBurden of COVID-19Predictive valueCase definitionCoronavirus disease 2019COVID-19 casesControl groupFeverDevelopment 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 conditionsRisk of COVID-19-related death among patients with chronic obstructive pulmonary disease or asthma prescribed inhaled corticosteroids: an observational cohort study using the OpenSAFELY platform
Schultze A, Walker AJ, MacKenna B, Morton CE, Bhaskaran K, Brown JP, Rentsch CT, Williamson E, Drysdale H, Croker R, Bacon S, Hulme W, Bates C, Curtis HJ, Mehrkar A, Evans D, Inglesby P, Cockburn J, McDonald HI, Tomlinson L, Mathur R, Wing K, Wong AYS, Forbes H, Parry J, Hester F, Harper S, Evans SJW, Quint J, Smeeth L, Douglas IJ, Goldacre B, Collaborative O. Risk of COVID-19-related death among patients with chronic obstructive pulmonary disease or asthma prescribed inhaled corticosteroids: an observational cohort study using the OpenSAFELY platform. The Lancet Respiratory Medicine 2020, 8: 1106-1120. PMID: 32979987, PMCID: PMC7515601, DOI: 10.1016/s2213-2600(20)30415-x.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, InhalationAdolescentAdrenal Cortex HormonesAdultAgedAged, 80 and overAsthmaBetacoronavirusCohort StudiesCoronavirus InfectionsCOVID-19Electronic Health RecordsEnglandFemaleHumansMaleMiddle AgedMuscarinic AntagonistsPandemicsPneumonia, ViralProportional Hazards ModelsPulmonary Disease, Chronic ObstructiveRegression AnalysisSARS-CoV-2Young AdultConceptsChronic obstructive pulmonary diseaseCOVID-19-related deathsIndex dateObstructive pulmonary diseaseElectronic health recordsOpenSAFELY platformRespiratory medicationsCOPD cohortHazard ratioPulmonary diseaseAsthma cohortPrimary care electronic health recordsSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2High-dose ICSHigh-dose ICSsRegular ICS useΒ-agonistsObservational cohort studyUK Medical Research CouncilRisk of deathCox regression modelAcute respiratory diseaseSyndrome coronavirus 2Patterns of COVID-19 testing and mortality by race and ethnicity among United States veterans: A nationwide cohort study
Rentsch CT, Kidwai-Khan F, Tate JP, Park LS, King JT, Skanderson M, Hauser RG, Schultze A, Jarvis CI, Holodniy M, Re V, Akgün KM, Crothers K, Taddei TH, Freiberg MS, Justice AC. Patterns of COVID-19 testing and mortality by race and ethnicity among United States veterans: A nationwide cohort study. PLOS Medicine 2020, 17: e1003379. PMID: 32960880, PMCID: PMC7508372, DOI: 10.1371/journal.pmed.1003379.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBetacoronavirusBlack or African AmericanClinical Laboratory TechniquesCohort StudiesCoronavirus InfectionsCOVID-19COVID-19 TestingEthnicityFemaleHispanic or LatinoHumansMaleMiddle AgedPandemicsPneumonia, ViralRetrospective StudiesSARS-CoV-2United StatesVeteransWhite PeopleYoung AdultConceptsCOVID-19 testingRace/ethnicityCohort studyWhite individualsSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionAcute respiratory syndrome coronavirus 2 infectionSyndrome coronavirus 2 infectionSARS-CoV-2 infectionCOVID-19Large integrated healthcare systemCoronavirus 2 infectionNationwide cohort studyRetrospective cohort studyCoronavirus disease 2019Site of careIntegrated healthcare systemNon-Hispanic blacksPositive test resultsNon-Hispanic whitesClinical characteristicsMultivariable adjustmentComorbid conditionsMedication historyEthnic minority communitiesDisease 2019Factors associated with COVID-19-related death using OpenSAFELY
Williamson EJ, Walker AJ, Bhaskaran K, Bacon S, Bates C, Morton CE, Curtis HJ, Mehrkar A, Evans D, Inglesby P, Cockburn J, McDonald HI, MacKenna B, Tomlinson L, Douglas IJ, Rentsch CT, Mathur R, Wong AYS, Grieve R, Harrison D, Forbes H, Schultze A, Croker R, Parry J, Hester F, Harper S, Perera R, Evans SJW, Smeeth L, Goldacre B. Factors associated with COVID-19-related death using OpenSAFELY. Nature 2020, 584: 430-436. PMID: 32640463, PMCID: PMC7611074, DOI: 10.1038/s41586-020-2521-4.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge DistributionAge FactorsAgedAged, 80 and overAgingAsian PeopleAsthmaBetacoronavirusBlack PeopleCohort StudiesCoronavirus InfectionsCOVID-19Diabetes MellitusFemaleHumansHypertensionMaleMiddle AgedPandemicsPneumonia, ViralProportional Hazards ModelsRisk AssessmentSARS-CoV-2Sex CharacteristicsSmokingState MedicineYoung AdultConceptsCOVID-19-related deathsPrimary care electronic health recordsPrimary care recordsLarge cohort studyCoronavirus disease 2019Electronic health recordsSevere asthmaCohort studyClinical factorsSouth Asian peopleSevere outcomesDisease 2019Medical conditionsHigh riskOpenSAFELYWhite ethnicityCare recordsNHS EnglandPatient recordsPatient dataHealth recordsDeathGreater ageAsian peopleRisk
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
2018
Impact of linkage quality on inferences drawn from analyses using data with high rates of linkage errors in rural Tanzania
Rentsch CT, Harron K, Urassa M, Todd J, Reniers G, Zaba B. Impact of linkage quality on inferences drawn from analyses using data with high rates of linkage errors in rural Tanzania. BMC Medical Research Methodology 2018, 18: 165. PMID: 30526518, PMCID: PMC6288858, DOI: 10.1186/s12874-018-0632-5.Peer-Reviewed Original ResearchLinkage to care and antiretroviral therapy initiation by testing modality among individuals newly diagnosed with HIV in Tanzania, 2014–2017
Rentsch CT, Wringe A, Machemba R, Michael D, Urassa M, Todd J, Reniers G, Zaba B. Linkage to care and antiretroviral therapy initiation by testing modality among individuals newly diagnosed with HIV in Tanzania, 2014–2017. Tropical Medicine And International Health 2018, 23: 1384-1393. PMID: 30282113, PMCID: PMC6334504, DOI: 10.1111/tmi.13153.Peer-Reviewed Original ResearchConceptsFacility-based VCTAntiretroviral therapy initiationTherapy initiationAntenatal clinicFacility-based HIV testingInitial CD4 cell countART initiation ratesCommunity-based HTCFacility-based HTCHIV serological testingCD4 cell countInitial CD4 countNew HIV diagnosesHIV-positive individualsRural Tanzanian communityCD4 countHIV diagnosisHIV testingSerological testingEarly diagnosisCell countLinkage rateRural wardsCells/HIV
2014
Minority Stress in the Lives of Men Who Have Sex With Men in Cape Town, South Africa
McAdams-Mahmoud A, Stephenson R, Rentsch C, Cooper H, Arriola KJ, Jobson G, de Swardt G, Struthers H, McIntyre J. Minority Stress in the Lives of Men Who Have Sex With Men in Cape Town, South Africa. Journal Of Homosexuality 2014, 61: 847-867. PMID: 24392722, DOI: 10.1080/00918369.2014.870454.Peer-Reviewed Original Research
2012
Attitudes Toward Couples-Based HIV Counseling and Testing Among MSM in Cape Town, South Africa
Stephenson R, Rentsch C, Sullivan P, McAdams-Mahmoud A, Jobson G, Struthers H, McIntyre J. Attitudes Toward Couples-Based HIV Counseling and Testing Among MSM in Cape Town, South Africa. AIDS And Behavior 2012, 17: 43-50. PMID: 22961498, PMCID: PMC3529975, DOI: 10.1007/s10461-012-0293-z.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAttitudeCounselingFamily CharacteristicsFocus GroupsHIV InfectionsHomosexuality, MaleHumansMaleMass ScreeningMiddle AgedPatient Acceptance of Health CareQualitative ResearchRisk Reduction BehaviorRisk-TakingSexual PartnersSocial SupportSouth AfricaSurveys and QuestionnairesTrustUrban PopulationYoung Adult