Kashika Mohan Sahay, PhD, MPH
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Associate Research Scientist
Biography
Kashika M. Sahay, PhD, MPH is an Associate Research Scientist on the Quality Measurement Team at the Center for Outcomes Research and Evaluation.
Dr. Sahay is a multidisciplinary researcher whose work uses real-world data and evidence to improve the health and well-being of vulnerable populations. She has published in a variety of journals ranging from neurology to health education to social work.
Her professional experiences include analytic work at CDC and industry. Dr. Sahay has a PhD in Maternal and Child Health with a minor in Biostatistics from UNC Chapel Hill and an MPH in Epidemiology from Emory University. Prior to joining CORE, Dr. Sahay worked as a Health Outcomes Researcher in industry using real-world data to evaluate public health programming. Before that, she worked as a Statistician at CDC's Division of Reproductive Health, Rare Disorders and Health Outcomes Team to standardize the surveillance of longitudinal clinical outcomes relating to Muscular Dystrophy.
At CORE, Dr. Sahay is currently leading teams relating to the re-evaluation of quality measures for Centers for Medicare and Medicaid hospital and outpatient contracts.
Appointments
Cardiovascular Medicine
Associate Research ScientistPrimary
Other Departments & Organizations
Education & Training
- PhD
- University of North Carolina Chapel Hill, Maternal and Child Health/Biostatistics (2017)
- MPH
- Emory University, Epidemiology (2013)
Research
Overview
Medical Subject Headings (MeSH)
Research at a Glance
Yale Co-Authors
Publications Timeline
Elizabeth Triche
Lisa Gale Suter, MD
Harlan Krumholz, MD, SM
Publications
2024
Processing and validation of inpatient Medicare Advantage data for use in hospital outcome measures
Kyanko K, Sahay K, Wang Y, Schreiber M, Hager M, Myers R, Johnson W, Zhang J, Yen B, Suter L, Triche E, Li S. Processing and validation of inpatient Medicare Advantage data for use in hospital outcome measures. Health Services Research 2024 PMID: 38961668, DOI: 10.1111/1475-6773.14350.Peer-Reviewed Original ResearchAltmetricConceptsCenters for Medicare & Medicaid ServicesMedicare Advantage OrganizationsHospital outcome measuresPrincipal diagnosis codeOutcome measuresInpatient claimsDiagnosis codesMedicare AdvantageNational Provider IdentifierMedicare Advantage dataAcute careIntegrated data repositoryProvider IdentifierMedicaid ServicesMedicare dischargesMA claimsDuplicate claimsMA dataDemographic characteristicsCertificate numberMedicareHospitalEnrollment dataCompare diagnosesAdmissionIncorporating Medicare Advantage Admissions Into the CMS Hospital-Wide Readmission Measure
Kyanko K, Sahay K, Wang Y, Li S, Schreiber M, Hager M, Myers R, Johnson W, Zhang J, Krumholz H, Suter L, Triche E. Incorporating Medicare Advantage Admissions Into the CMS Hospital-Wide Readmission Measure. JAMA Network Open 2024, 7: e2414431. PMID: 38829614, PMCID: PMC11148674, DOI: 10.1001/jamanetworkopen.2024.14431.Peer-Reviewed Original ResearchAltmetricMeSH Keywords and ConceptsConceptsCenters for Medicare & Medicaid ServicesSpecialty subgroupsPerformance quintileMedicare AdvantageReadmission ratesRisk-standardized readmission ratesHospital-wide readmission measureHospital outcome measuresTest-retest reliabilityRisk-adjustment variablesMeasurement reliabilityAdministrative claims dataReadmission measuresImprove measurement reliabilityIntegrated data repositoryMA beneficiariesQuintile rankingsMedicare beneficiariesMedicaid ServicesAll-causePublic reportingStudy assessed differencesClaims dataOutcome measuresMA cohort
2021
Labor market participation and productivity costs for female caregivers of minor male children with Duchenne and Becker muscular dystrophies
Soelaeman R, Smith M, Sahay K, Tilford J, Goodenough D, Paramsothy P, Ouyang L, Oleszek J, Grosse S. Labor market participation and productivity costs for female caregivers of minor male children with Duchenne and Becker muscular dystrophies. Muscle & Nerve 2021, 64: 717-725. PMID: 34605048, PMCID: PMC8595851, DOI: 10.1002/mus.27429.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and Concepts
2019
Intimate Partner Violence: Barriers to Action and Opportunities for Intervention Among Health Care Providers in São Paulo, Brazil
Evans DP, Shojaie DZ, Sahay KM, DeSousa NW, Hall CD, Vertamatti MAF. Intimate Partner Violence: Barriers to Action and Opportunities for Intervention Among Health Care Providers in São Paulo, Brazil. Journal Of Interpersonal Violence 2019, 36: 9941-9955. PMID: 31608805, DOI: 10.1177/0886260519881004.Peer-Reviewed Original ResearchCitationsMeSH Keywords and ConceptsConceptsIntimate partner violence preventionIPV responsesViolence preventionIPV interventionsInterpersonal barriersBrazilian contextLack of privacyIPVSanto AndréHealth care providersMissed opportunityBarriers of lackAdapted knowledgeOpportunitiesHealth systemPublic health clinicsSão PauloAppropriate resourcesSystems approachProvidersReformWomenCare providersPolicyBarriersCorrigendum to “Improving surveillance for the hidden half of fetal-infant mortality: a pilot study of the expansion of the Pregnancy Risk Assessment Monitoring System to include stillbirth” Annals of Epidemiology 26 (2016) 401-404
Christiansen-Lindquist L, Sahay K, Hogue C. Corrigendum to “Improving surveillance for the hidden half of fetal-infant mortality: a pilot study of the expansion of the Pregnancy Risk Assessment Monitoring System to include stillbirth” Annals of Epidemiology 26 (2016) 401-404. Annals Of Epidemiology 2019, 36: 65. PMID: 31493825, DOI: 10.1016/j.annepidem.2019.08.003.Peer-Reviewed Original ResearchThe Validity and Reliability of Available Intimate Partner Homicide and Reassault Risk Assessment Tools: A Systematic Review
Graham LM, Sahay KM, Rizo CF, Messing JT, Macy RJ. The Validity and Reliability of Available Intimate Partner Homicide and Reassault Risk Assessment Tools: A Systematic Review. Trauma Violence & Abuse 2019, 22: 18-40. PMID: 30669956, DOI: 10.1177/1524838018821952.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsIntimate partner homicideIntimate partner violencePartner homicideRisk of IPHVictims/survivorsSocial workersFemale perpetratorsMale perpetratorsLaw enforcementIntimate partnersPartner violenceRisk assessment instrumentsPerpetratorsPublic safetyHomicideViolent deathSystematic researchRisk assessment toolCommunity settingsData collection locationsViolenceEnforcementResearchersFirst respondersReassault
2018
A Review of MD STARnet’s Research Contributions to Pediatric-Onset Dystrophinopathy in the United States; 2002-2017
Sahay KM, Smith T, Conway KM, Romitti PA, Lamb MM, Andrews J, Pandya S, Oleszek J, Cunniff C, Valdez R. A Review of MD STARnet’s Research Contributions to Pediatric-Onset Dystrophinopathy in the United States; 2002-2017. Journal Of Child Neurology 2018, 34: 44-53. PMID: 30345857, PMCID: PMC6444919, DOI: 10.1177/0883073818801704.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsDiagnostic delayRare disorderFirst population-based prevalence estimatesPopulation-based prevalence estimatesMedical record abstractionPopulation-based surveillanceHealth service useMuscular Dystrophy SurveillanceHealth care outcomesChildhood-onset dystrophinopathyRecord abstractionCare outcomesService usePeer-reviewed publicationsGrowth chartsPrevalence estimatesBecker muscular dystrophyDisease controlAdditional publicationsDiagnostic outcomesMuscular dystrophyPopulation studiesDystrophinopathiesResearch NetworkDisorders
2016
Improving surveillance for the hidden half of fetal-infant mortality: a pilot study of the expansion of the Pregnancy Risk Assessment Monitoring System to include stillbirth
Christiansen-Lindquist L, Sahay K, Hogue CJ. Improving surveillance for the hidden half of fetal-infant mortality: a pilot study of the expansion of the Pregnancy Risk Assessment Monitoring System to include stillbirth. Annals Of Epidemiology 2016, 26: 401-404. PMID: 27166788, PMCID: PMC6657691, DOI: 10.1016/j.annepidem.2016.03.012.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsPregnancy Risk Assessment Monitoring SystemRecent stillbirthEligible womenRecent live birthFetal death certificatesFetal-infant mortalityAdjusted response rateState-based surveyMaternal characteristicsDeath certificatesLive birthsInfant deathStillbirthResponse rateAdditional mailingsPilot studyStudy periodWomenFurther studiesSympathy cardsPhone callsWomen's experiencesNonrespondersGeorgia residentsMortality"It's Like We Are Legally, Illegal": Latino/a Youth Emphasize Barriers to Higher Education Using Photovoice
Sahay K, Thatcher K, Núñez C, Lightfoot A. "It's Like We Are Legally, Illegal": Latino/a Youth Emphasize Barriers to Higher Education Using Photovoice. The High School Journal 2016, 100: 45-65. DOI: 10.1353/hsj.2016.0020.Peer-Reviewed Original ResearchCitationsAltmetricConceptsUndocumented immigrant youthCommunity-based participatory research approachGraduate student researchersParticipatory research approachUnited StatesImmigrant youthUndocumented LatinosDeferred ActionSystematic research processAdvocacy organizationsExecutive actionPhotovoice participantsHigher EducationIssue of concernQualitative methodsResearch processPhotovoiceCertain privilegesResearch approachStudent researchersYouthDifferential implementationNorth CarolinaLatinosAcademic researchers