2024
Ursodeoxycholic acid and severe COVID-19 outcomes in a cohort study using the OpenSAFELY platform
Costello R, Waller K, Smith R, Mells G, Wong A, Schultze A, Mahalingasivam V, Herrett E, Zheng B, Lin L, MacKenna B, Mehrkar A, Bacon S, Goldacre B, Tomlinson L, Tazare J, Rentsch C. Ursodeoxycholic acid and severe COVID-19 outcomes in a cohort study using the OpenSAFELY platform. Communications Medicine 2024, 4: 238. PMID: 39562612, PMCID: PMC11576861, DOI: 10.1038/s43856-024-00664-y.Peer-Reviewed Original ResearchCOVID-19 hospitalisationSevere COVID-19 outcomesCOVID-19 related hospitalisationCOVID-19 outcomesCohort studyPopulation-based cohort studyHazard ratioPrimary care recordsDeath registration dataOpenSAFELY-TPP platformApproval of NHS EnglandConfidence intervalsEstimate hazard ratiosCox proportional hazards regressionProportional hazards regressionPre-specified confoundersAbsolute risk reductionOpenSAFELY platformCare recordsNHS EnglandConfounder adjustmentEligible individualsRegistration dataHazards regressionHospital records
2022
Are infections associated with cognitive decline and neuroimaging outcomes? A historical cohort study using data from the UK Biobank study linked to electronic health records
Muzambi R, Bhaskaran K, Rentsch C, Smeeth L, Brayne C, Garfield V, Williams D, Chaturvedi N, Warren-Gash C. Are infections associated with cognitive decline and neuroimaging outcomes? A historical cohort study using data from the UK Biobank study linked to electronic health records. Translational Psychiatry 2022, 12: 385. PMID: 36109502, PMCID: PMC9478085, DOI: 10.1038/s41398-022-02145-z.Peer-Reviewed Original ResearchConceptsCognitive declineWhite matter hyperintensity volumeSecondary care recordsAssociation of infectionHistory of infectionPotential structural correlatesEvidence of associationCommon infectionsDementia riskHyperintensity volumeInfection diagnosisCare recordsCognitive impairmentLinear mixed effects modelsCognitive functionVolunteer cohortInfectionMixed effects modelsStructural correlatesUK BiobankLinear regression modelsAssociationEffects modelRegression modelsVisual memoryRecording of ’COVID-19 vaccine declined‘: a cohort study on 57.9 million National Health Service patients’ records in situ using OpenSAFELY, England, 8 December 2020 to 25 May 2021
Curtis HJ, Inglesby P, MacKenna B, Croker R, Hulme WJ, Rentsch CT, Bhaskaran K, Mathur R, Morton CE, Bacon SC, Smith RM, Evans D, Mehrkar A, Tomlinson L, Walker AJ, Bates C, Hickman G, Ward T, Morley J, Cockburn J, Davy S, Williamson EJ, Eggo RM, Parry J, Hester F, Harper S, O’Hanlon S, Eavis A, Jarvis R, Avramov D, Griffiths P, Fowles A, Parkes N, Evans SJ, Douglas IJ, Smeeth L, Goldacre B. Recording of ’COVID-19 vaccine declined‘: a cohort study on 57.9 million National Health Service patients’ records in situ using OpenSAFELY, England, 8 December 2020 to 25 May 2021. Eurosurveillance 2022, 27: 2100885. PMID: 35983770, PMCID: PMC9389857, DOI: 10.2807/1560-7917.es.2022.27.33.2100885.Peer-Reviewed Original ResearchConceptsCOVID-19 vaccinationCOVID-19 vaccineCohort studyPriority patientsRetrospective cohort studyPrimary care recordsMore deprived areasUnvaccinated patientsSubsequent vaccinationSouth Asian peopleSouth Asian populationGeneral practicePatientsCare recordsClinical record systemsVaccinationNHS EnglandPatient recordsVaccineDeprived areasAsian populationsOpenSAFELYDemographic subgroupsRecord systemDemographic factorsRisk of severe COVID-19 outcomes associated with immune-mediated inflammatory diseases and immune-modifying therapies: a nationwide cohort study in the OpenSAFELY platform
MacKenna B, Kennedy NA, Mehrkar A, Rowan A, Galloway J, Matthewman J, Mansfield KE, Bechman K, Yates M, Brown J, Schultze A, Norton S, Walker AJ, Morton CE, Harrison D, Bhaskaran K, Rentsch CT, Williamson E, Croker R, Bacon S, Hickman G, Ward T, Davy S, Green A, Fisher L, Hulme W, Bates C, Curtis HJ, Tazare J, Eggo RM, Evans D, Inglesby P, Cockburn J, McDonald HI, Tomlinson LA, Mathur R, Wong AYS, Forbes H, Parry J, Hester F, Harper S, Douglas IJ, Smeeth L, Lees CW, Evans SJW, Goldacre B, Smith CH, Langan SM. Risk of severe COVID-19 outcomes associated with immune-mediated inflammatory diseases and immune-modifying therapies: a nationwide cohort study in the OpenSAFELY platform. The Lancet Rheumatology 2022, 4: e490-e506. PMID: 35698725, PMCID: PMC9179144, DOI: 10.1016/s2665-9913(22)00098-4.Peer-Reviewed Original ResearchImmune-mediated inflammatory diseasesCOVID-19-related deathsSevere COVID-19 outcomesImmune-modifying therapiesCritical care admissionInflammatory diseasesCOVID-19 outcomesImmune-modifying drugsHospital admissionGeneral populationCare admissionHazard ratioStandard systemic therapyStandard systemic treatmentSevere COVID-19Primary care recordsPrimary care dataNon-white ethnic groupsCohort studySystemic therapySystemic treatmentCox regressionPrescription dataCare recordsWhite ethnic groupPotentially inappropriate prescribing of DOACs to people with mechanical heart valves: A federated analysis of 57.9 million patients' primary care records in situ using OpenSAFELY
Collaborative T, Fisher L, Speed V, Curtis HJ, Rentsch CT, Wong AYS, Schultze A, Massey J, Inglesby P, Morton CE, Wood M, Walker AJ, Morley J, Mehrkar A, Bacon S, Hickman G, Bates C, Croker R, Evans D, Ward T, Cockburn J, Davy S, Bhaskaran K, Smith B, Williamson E, Hulme W, Green A, Eggo RM, Forbes H, Tazare J, Parry J, Hester F, Harper S, Meadows J, O'Hanlon S, Eavis A, Jarvis R, Avramov D, Griffiths P, Fowles A, Parkes N, Douglas IJ, Evans SJW, Smeeth L, MacKenna B, Tomlinson L, Goldacre B. Potentially inappropriate prescribing of DOACs to people with mechanical heart valves: A federated analysis of 57.9 million patients' primary care records in situ using OpenSAFELY. Thrombosis Research 2022, 211: 150-153. PMID: 35168181, PMCID: PMC7616146, DOI: 10.1016/j.thromres.2022.01.023.Peer-Reviewed Original Research
2021
Trends and clinical characteristics of 57.9 million COVID-19 vaccine recipients: a federated analysis of patients’ primary care records in situ using OpenSAFELY
Curtis HJ, Inglesby P, Morton CE, MacKenna B, Green A, Hulme W, Walker AJ, Morley J, Mehrkar A, Bacon S, Hickman G, Bates C, Croker R, Evans D, Ward T, Cockburn J, Davy S, Bhaskaran K, Schultze A, Rentsch CT, Williamson EJ, Rowan A, Fisher L, McDonald HI, Tomlinson L, Mathur R, Drysdale H, Eggo RM, Wing K, Wong AY, Forbes H, Parry J, Hester F, Harper S, O’Hanlon S, Eavis A, Jarvis R, Avramov D, Griffiths P, Fowles A, Parkes N, Douglas IJ, Evans SJ, Smeeth L, Goldacre B, . Trends and clinical characteristics of 57.9 million COVID-19 vaccine recipients: a federated analysis of patients’ primary care records in situ using OpenSAFELY. British Journal Of General Practice 2021, 72: bjgp.2021.0376. PMID: 34750106, PMCID: PMC8589463, DOI: 10.3399/bjgp.2021.0376.Peer-Reviewed Original ResearchConceptsVaccine recipientsVaccine coverageCOVID-19 vaccine recipientsFirst COVID-19 vaccinationNHS EnglandPre-existing medical conditionsPrimary care recordsLow vaccination coverageCOVID-19 vaccinationSevere mental illnessCare home residentsClinical characteristicsCohort studySecond doseVaccination coverageHome residentsMedical conditionsGeneral practiceMass vaccinationNHS dataCare recordsPatientsJoint CommitteeVaccine rolloutMental illness
2020
Factors 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