Kristen Butterfield
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View article: Protection From COVID-19 mRNA Vaccination and Prior SARS-CoV-2 Infection Against COVID-19–Associated Encounters in Adults During Delta and Omicron Predominance
Protection From COVID-19 mRNA Vaccination and Prior SARS-CoV-2 Infection Against COVID-19–Associated Encounters in Adults During Delta and Omicron Predominance Open
Background Data assessing protection conferred from COVID-19 mRNA vaccination and/or prior SARS-CoV-2 infection during Delta and Omicron predominance periods in the United States are limited. Methods This cohort study included persons ≥18 …
View article: Relative Risks of COVID-19–Associated Hospitalizations and Clinical Outcomes by Age and Race/Ethnicity—March 2020–March 2021
Relative Risks of COVID-19–Associated Hospitalizations and Clinical Outcomes by Age and Race/Ethnicity—March 2020–March 2021 Open
Background Limited data exist on population-based risks and risk ratios (RRs) of coronavirus disease 2019 (COVID-19)–associated hospitalizations and clinical outcomes stratified by age and race/ethnicity. Methods Using data from electronic…
View article: Accuracy of COVID-19–Like Illness Diagnoses in Electronic Health Record Data: Retrospective Cohort Study
Accuracy of COVID-19–Like Illness Diagnoses in Electronic Health Record Data: Retrospective Cohort Study Open
Background Electronic health record (EHR) data provide a unique opportunity to study the epidemiology of COVID-19, clinical outcomes of the infection, comparative effectiveness of therapies, and vaccine effectiveness but require a well-def…
View article: Estimation of COVID-19 mRNA Vaccine Effectiveness Against Medically Attended COVID-19 in Pregnancy During Periods of Delta and Omicron Variant Predominance in the United States
Estimation of COVID-19 mRNA Vaccine Effectiveness Against Medically Attended COVID-19 in Pregnancy During Periods of Delta and Omicron Variant Predominance in the United States Open
Importance Pregnant people are at high risk for severe COVID-19 but were excluded from mRNA vaccine trials; data on COVID-19 vaccine effectiveness (VE) are needed. Objective To evaluate the estimated effectiveness of mRNA vaccination again…
View article: Accuracy of COVID-19-Like-Illness Diagnoses in Electronic Health Record Data (Preprint)
Accuracy of COVID-19-Like-Illness Diagnoses in Electronic Health Record Data (Preprint) Open
BACKGROUND Electronic health record (EHR) data provide a unique opportunity to study COVID-19 and vaccine effectiveness but require a well-defined computable phenotype of COVID-19-like illness (CLI). OBJECTIVE We evaluated the performan…
View article: Laboratory-Confirmed COVID-19 Among Adults Hospitalized with COVID-19–Like Illness with Infection-Induced or mRNA Vaccine-Induced SARS-CoV-2 Immunity — Nine States, January–September 2021
Laboratory-Confirmed COVID-19 Among Adults Hospitalized with COVID-19–Like Illness with Infection-Induced or mRNA Vaccine-Induced SARS-CoV-2 Immunity — Nine States, January–September 2021 Open
What is already known about this topic?
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\nPrevious infection with SARS-CoV-2 or COVID-19 vaccination can provide immunity and protection against subsequent SARS-CoV-2 infection and illness.
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\nWhat is added by this report?
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\nAmong …
View article: IMPACT OF A GERIATRIC CO-MANAGEMENT PROGRAM FOR ELECTIVE JOINT REPLACEMENT
IMPACT OF A GERIATRIC CO-MANAGEMENT PROGRAM FOR ELECTIVE JOINT REPLACEMENT Open
Introduction: Geriatric co-management models (GCM) within orthopedic surgery have emerged in the last decade, especially with hip fractures. Our aim was to compare a GCM program for elective knee (TKA) and hip (THA) replacement with histor…
View article: Are we teaching our hospitalized patients self-management skills? Opportunities lost
Are we teaching our hospitalized patients self-management skills? Opportunities lost Open
Background: In the U.S., 20% of medical hospital discharges are readmitted within 30 days. Non-medical intervention strategies, such as teaching four specific self-management skills, have demonstrated reduction in readmission risk by a thi…