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257 results on '"Pfaff, Emily"'

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1. Crowd-sourced machine learning prediction of long COVID using data from the National COVID Cohort Collaborative.

2. Clinical Annotation Research Kit (CLARK): Computable Phenotyping Using Machine Learning

3. Fast Healthcare Interoperability Resources (FHIR) as a Meta Model to Integrate Common Data Models: Development of a Tool and Quantitative Validation Study

4. Finding Long-COVID: temporal topic modeling of electronic health records from the N3C and RECOVER programs

6. A method for comparing multiple imputation techniques: a case study on the U.S. National COVID Cohort Collaborative

7. NSAID use and clinical outcomes in COVID-19 patients: a 38-center retrospective cohort study

8. Crowd-sourced machine learning prediction of long COVID using data from the National COVID Cohort Collaborative

9. Progress toward a universal biomedical data translator

10. An Open Natural Language Processing Development Framework for EHR-based Clinical Research: A case demonstration using the National COVID Cohort Collaborative (N3C)

11. From Alpha to Omicron and Beyond: Associations Between SARS-CoV-2 Variants and Surgical Outcomes

12. The prevalence of postacute sequelae of coronavirus disease 2019 in solid organ transplant recipients: Evaluation of risk in the National COVID Cohort Collaborative

13. Enabling Longitudinal Exploratory Analysis of Clinical COVID Data

14. NSAID use and clinical outcomes in COVID-19 patients: A 38-center retrospective cohort study

15. Decreasing Case Fatality Rates for Patients With Cirrhosis Infected With SARS-CoV-2: A National COVID Cohort Collaborative Study

16. Risk factors associated with post-acute sequelae of SARS-CoV-2: an N3C and NIH RECOVER study

19. Nonelective coronary artery bypass graft outcomes are adversely impacted by Coronavirus disease 2019 infection, but not altered processes of care: A National COVID Cohort Collaborative and National Surgery Quality Improvement Program analysis

20. Clinical phenotypes and outcomes in children with multisystem inflammatory syndrome across SARS-CoV-2 variant eras: a multinational study from the 4CE consortium

21. Characterization of long COVID temporal sub-phenotypes by distributed representation learning from electronic health record data: a cohort study

22. The National COVID Cohort Collaborative (N3C): Rationale, Design, Infrastructure, and Deployment

23. Hormone replacement therapy and COVID-19 outcomes in solid organ transplant recipients compared with the general population

24. Electronic Medical Record Search Engine (EMERSE): An Information Retrieval Tool for Supporting Cancer Research

25. Early Empiric Antibiotic Use in Patients Hospitalized With COVID-19: A Retrospective Cohort Study*

26. Risk of severe acute respiratory syndrome coronavirus 2 infection among women with polycystic ovary syndrome

27. COVID-19 outcomes in persons with hemophilia: results from a US-based national COVID-19 surveillance registry

28. Semantic integration of clinical laboratory tests from electronic health records for deep phenotyping and biomarker discovery

30. Thirty-Day Mortality and Complication Rates in Total Joint Arthroplasty After a Recent COVID-19 Diagnosis: A Retrospective Cohort in the National COVID Cohort Collaborative (N3C)

31. Identifying who has long COVID in the USA: a machine learning approach using N3C data

32. Finding Long-COVID: temporal topic modeling of electronic health records from the N3C and RECOVER programs.

35. The Prevalence of Post-Acute Sequelae of COVID-19 in Solid Organ Transplant Recipients: Evaluation of Risk in the National COVID Cohort Collaborative (N3C)

36. Effect of Paxlovid Treatment on Long COVID Onset: An EHR-Based Target Trial Emulation from N3C

37. Risk for stillbirth among pregnant individuals with SARS-CoV-2 infection varied by gestational age

38. The prevalence of postacute sequelae of coronavirus disease 2019 in solid organ transplant recipients: Evaluation of risk in the National COVID Cohort Collaborative

39. Genetic and Survey Data Improves Performance of Machine Learning Model for Long COVID

40. Reengineering a machine learning phenotype to adapt to the changing COVID-19 landscape: A study from the N3C and RECOVER consortia

41. The N3C governance ecosystem: a model socio-technical partnership for the future of collaborative analytics at scale

42. Clinical phenotypes and outcomes in children with multisystem inflammatory syndrome across SARS-CoV-2 variant eras: a multinational study from the 4CE consortium

44. Nonelective coronary artery bypass graft outcomes are adversely impacted by Coronavirus disease 2019 infection, but not altered processes of care: A National COVID Cohort Collaborative and National Surgery Quality Improvement Program analysis

45. An open natural language processing (NLP) framework for EHR-based clinical research: a case demonstration using the National COVID Cohort Collaborative (N3C)

49. Risk of post-acute sequelae of SARS-CoV-2 infection associated with pre-coronavirus disease obstructive sleep apnea diagnoses: an electronic health record-based analysis from the RECOVER initiative

50. Clinical encounter heterogeneity and methods for resolving in networked EHR data: a study from N3C and RECOVER programs

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