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2. A more complete measure of vertical integration between physicians and hospitals.

Author

Luo, Qian, Black, Bernard, Magid, David J., Masoudi, Frederick A., Kini, Vinay, and Moghtaderi, Ali

Subjects
VERTICAL integration, PHYSICIANS, MEDICARE, MEDICAL care costs, HOSPITALS, PHYSICIAN services utilization, MEDICAID
Abstract

Objective: To develop an accurate and reproducible measure of vertical integration between physicians and hospitals (defined as hospital or health system employment of physicians), which can be used to assess the impact of integration on healthcare quality and spending. Data Sources and Study Setting: We use multiple data sources including from the Internal Revenue Service, the Centers for Medicare and Medicaid Services, and others to determine the Tax Identification Numbers (TINs) that hospitals and physicians use to bill Medicare for services, and link physician billing TINs to hospital‐related TINs. Study Design: We developed a new measure of vertical integration, based on the TINs that hospitals and physicians use to bill Medicare, using a broad set of sources for hospital‐related TINs. We considered physicians as hospital‐employed if they bill Medicare primarily or exclusively using hospital‐related TINs. We assessed integration status for all physicians who billed Medicare from 1999 to 2019. We compared this measure with others used in the existing literature. We conducted a simulation study which highlights the importance of accurately identifying integrated physicians when study the effects of integration. Data Collection/Extraction Methods: We extracted physician and hospital‐related TINs from multiple sources, emphasizing specificity (a small proportion of nonintegrated physicians identified as integrated). Principal Findings: We identified 12,269 hospital‐related TINs, used for billing by 546,775 physicians. We estimate that the percentage of integrated physicians rose from 19% in 1999 to 43% in 2019. Our approach identifies many additional physician practices as integrated; a simpler TIN measure, comparable with prior work, identifies only 30% (3877) of the TINs we identify. A service location measure, used in prior work, has both many false positives and false negatives. Conclusion: We developed a new measure of hospital‐physician integration. This measure is reproducible and identifies many additional physician practices as integrated. [ABSTRACT FROM AUTHOR]

Published
2024
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3. Heart Disease and Stroke Statistics—2016 Update

Author

Mozaffarian, Dariush, Benjamin, Emelia J, Go, Alan S, Arnett, Donna K, Blaha, Michael J, Cushman, Mary, Das, Sandeep R, de Ferranti, Sarah, Després, Jean-Pierre, Fullerton, Heather J, Howard, Virginia J, Huffman, Mark D, Isasi, Carmen R, Jiménez, Monik C, Judd, Suzanne E, Kissela, Brett M, Lichtman, Judith H, Lisabeth, Lynda D, Liu, Simin, Mackey, Rachel H, Magid, David J, McGuire, Darren K, Mohler, Emile R, Moy, Claudia S, Muntner, Paul, Mussolino, Michael E, Nasir, Khurram, Neumar, Robert W, Nichol, Graham, Palaniappan, Latha, Pandey, Dilip K, Reeves, Mathew J, Rodriguez, Carlos J, Rosamond, Wayne, Sorlie, Paul D, Stein, Joel, Towfighi, Amytis, Turan, Tanya N, Virani, Salim S, Woo, Daniel, Yeh, Robert W, and Turner, Melanie B

Subjects
Biomedical and Clinical Sciences, Cardiovascular Medicine and Haematology, Health Sciences, Clinical Sciences, Sports Science and Exercise, American Heart Association, Data Interpretation, Statistical, Heart Diseases, Humans, Life Style, Research Report, Stroke, United States, AHA Scientific Statements, cardiovascular diseases, epidemiology, risk factors, statistics, stroke, Writing Group Members, American Heart Association Statistics Committee, Stroke Statistics Subcommittee, Cardiorespiratory Medicine and Haematology, Public Health and Health Services, Cardiovascular System & Hematology, Cardiovascular medicine and haematology, Clinical sciences, Sports science and exercise
Published
2016

4. Executive Summary

Author

Mozaffarian, Dariush, Benjamin, Emelia J, Go, Alan S, Arnett, Donna K, Blaha, Michael J, Cushman, Mary, Das, Sandeep R, de Ferranti, Sarah, Després, Jean-Pierre, Fullerton, Heather J, Howard, Virginia J, Huffman, Mark D, Isasi, Carmen R, Jiménez, Monik C, Judd, Suzanne E, Kissela, Brett M, Lichtman, Judith H, Lisabeth, Lynda D, Liu, Simin, Mackey, Rachel H, Magid, David J, McGuire, Darren K, Mohler, Emile R, Moy, Claudia S, Muntner, Paul, Mussolino, Michael E, Nasir, Khurram, Neumar, Robert W, Nichol, Graham, Palaniappan, Latha, Pandey, Dilip K, Reeves, Mathew J, Rodriguez, Carlos J, Rosamond, Wayne, Sorlie, Paul D, Stein, Joel, Towfighi, Amytis, Turan, Tanya N, Virani, Salim S, Woo, Daniel, Yeh, Robert W, and Turner, Melanie B

Subjects
Biomedical and Clinical Sciences, Cardiovascular Medicine and Haematology, Health Sciences, Clinical Sciences, Sports Science and Exercise, American Heart Association, Data Interpretation, Statistical, Health Behavior, Heart Diseases, Humans, Research Report, Stroke, United States, AHA Scientific Statements, cardiovascular diseases, epidemiology, risk factors, statistics, stroke, Writing Group Members, American Heart Association Statistics Committee, Stroke Statistics Subcommittee, Cardiorespiratory Medicine and Haematology, Public Health and Health Services, Cardiovascular System & Hematology, Cardiovascular medicine and haematology, Clinical sciences, Sports science and exercise
Published
2016

5. Executive Summary: Heart Disease and Stroke Statistics--2016 Update: A Report From the American Heart Association.

Author

Writing Group Members, Mozaffarian, Dariush, Benjamin, Emelia J, Go, Alan S, Arnett, Donna K, Blaha, Michael J, Cushman, Mary, Das, Sandeep R, de Ferranti, Sarah, Després, Jean-Pierre, Fullerton, Heather J, Howard, Virginia J, Huffman, Mark D, Isasi, Carmen R, Jiménez, Monik C, Judd, Suzanne E, Kissela, Brett M, Lichtman, Judith H, Lisabeth, Lynda D, Liu, Simin, Mackey, Rachel H, Magid, David J, McGuire, Darren K, Mohler, Emile R, Moy, Claudia S, Muntner, Paul, Mussolino, Michael E, Nasir, Khurram, Neumar, Robert W, Nichol, Graham, Palaniappan, Latha, Pandey, Dilip K, Reeves, Mathew J, Rodriguez, Carlos J, Rosamond, Wayne, Sorlie, Paul D, Stein, Joel, Towfighi, Amytis, Turan, Tanya N, Virani, Salim S, Woo, Daniel, Yeh, Robert W, Turner, Melanie B, American Heart Association Statistics Committee, and Stroke Statistics Subcommittee

Subjects
Writing Group Members, American Heart Association Statistics Committee, Stroke Statistics Subcommittee, Humans, Heart Diseases, Data Interpretation, Statistical, Health Behavior, American Heart Association, United States, Stroke, Research Report, AHA Scientific Statements, cardiovascular diseases, epidemiology, risk factors, statistics, stroke, Data Interpretation, Statistical, Clinical Sciences, Cardiorespiratory Medicine and Haematology, Public Health and Health Services, Cardiovascular System & Hematology
Published
2016

6. Heart Disease and Stroke Statistics-2016 Update: A Report From the American Heart Association.

Author

Writing Group Members, Mozaffarian, Dariush, Benjamin, Emelia J, Go, Alan S, Arnett, Donna K, Blaha, Michael J, Cushman, Mary, Das, Sandeep R, de Ferranti, Sarah, Després, Jean-Pierre, Fullerton, Heather J, Howard, Virginia J, Huffman, Mark D, Isasi, Carmen R, Jiménez, Monik C, Judd, Suzanne E, Kissela, Brett M, Lichtman, Judith H, Lisabeth, Lynda D, Liu, Simin, Mackey, Rachel H, Magid, David J, McGuire, Darren K, Mohler, Emile R, Moy, Claudia S, Muntner, Paul, Mussolino, Michael E, Nasir, Khurram, Neumar, Robert W, Nichol, Graham, Palaniappan, Latha, Pandey, Dilip K, Reeves, Mathew J, Rodriguez, Carlos J, Rosamond, Wayne, Sorlie, Paul D, Stein, Joel, Towfighi, Amytis, Turan, Tanya N, Virani, Salim S, Woo, Daniel, Yeh, Robert W, Turner, Melanie B, American Heart Association Statistics Committee, and Stroke Statistics Subcommittee

Subjects
Writing Group Members, American Heart Association Statistics Committee, Stroke Statistics Subcommittee, Humans, Heart Diseases, Data Interpretation, Statistical, Life Style, American Heart Association, United States, Stroke, Research Report, AHA Scientific Statements, cardiovascular diseases, epidemiology, risk factors, statistics, stroke, Data Interpretation, Statistical, Clinical Sciences, Cardiorespiratory Medicine and Haematology, Public Health and Health Services, Cardiovascular System & Hematology
Published
2016

7. Heart Disease and Stroke Statistics—2014 Update

Author

Go, Alan S, Mozaffarian, Dariush, Roger, Véronique L, Benjamin, Emelia J, Berry, Jarett D, Blaha, Michael J, Dai, Shifan, Ford, Earl S, Fox, Caroline S, Franco, Sheila, Fullerton, Heather J, Gillespie, Cathleen, Hailpern, Susan M, Heit, John A, Howard, Virginia J, Huffman, Mark D, Judd, Suzanne E, Kissela, Brett M, Kittner, Steven J, Lackland, Daniel T, Lichtman, Judith H, Lisabeth, Lynda D, Mackey, Rachel H, Magid, David J, Marcus, Gregory M, Marelli, Ariane, Matchar, David B, McGuire, Darren K, Mohler, Emile R, Moy, Claudia S, Mussolino, Michael E, Neumar, Robert W, Nichol, Graham, Pandey, Dilip K, Paynter, Nina P, Reeves, Matthew J, Sorlie, Paul D, Stein, Joel, Towfighi, Amytis, Turan, Tanya N, Virani, Salim S, Wong, Nathan D, Woo, Daniel, and Turner, Melanie B

Subjects
American Heart Association, Cardiology, Heart Diseases, Humans, Stroke, United States, AHA Scientific Statements, cardiovascular diseases, epidemiology, risk factors, statistics, stroke, American Heart Association Statistics Committee and Stroke Statistics Subcommittee, Cardiorespiratory Medicine and Haematology, Clinical Sciences, Public Health and Health Services, Cardiovascular System & Hematology
Abstract

Each year, the American Heart Association (AHA), in conjunction with the Centers for Disease Control and Prevention, the National Institutes of Health, and other government agencies, brings together the most up-to-date statistics on heart disease, stroke, other vascular diseases, and their risk factors and presents them in its Heart Disease and Stroke Statistical Update. The Statistical Update is a critical resource for researchers, clinicians, healthcare policy makers, media professionals, the lay public, and many others who seek the best available national data on heart disease, stroke, and other cardiovascular disease-related morbidity and mortality and the risks, quality of care, use of medical procedures and operations, and costs associated with the management of these diseases in a single document. Indeed, since 1999, the Statistical Update has been cited >10 500 times in the literature, based on citations of all annual versions. In 2012 alone, the various Statistical Updates were cited ≈3500 times (data from Google Scholar). In recent years, the Statistical Update has undergone some major changes with the addition of new chapters and major updates across multiple areas, as well as increasing the number of ways to access and use the information assembled. For this year's edition, the Statistics Committee, which produces the document for the AHA, updated all of the current chapters with the most recent nationally representative data and inclusion of relevant articles from the literature over the past year. This year's edition includes a new chapter on peripheral artery disease, as well as new data on the monitoring and benefits of cardiovascular health in the population, with additional new focus on evidence-based approaches to changing behaviors, implementation strategies, and implications of the AHA's 2020 Impact Goals. Below are a few highlights from this year's Update. © 2013 American Heart Association, Inc.

Published
2014

8. Executive Summary

Author

Go, Alan S, Mozaffarian, Dariush, Roger, Véronique L, Benjamin, Emelia J, Berry, Jarett D, Blaha, Michael J, Dai, Shifan, Ford, Earl S, Fox, Caroline S, Franco, Sheila, Fullerton, Heather J, Gillespie, Cathleen, Hailpern, Susan M, Heit, John A, Howard, Virginia J, Huffman, Mark D, Judd, Suzanne E, Kissela, Brett M, Kittner, Steven J, Lackland, Daniel T, Lichtman, Judith H, Lisabeth, Lynda D, Mackey, Rachel H, Magid, David J, Marcus, Gregory M, Marelli, Ariane, Matchar, David B, McGuire, Darren K, Mohler, Emile R, Moy, Claudia S, Mussolino, Michael E, Neumar, Robert W, Nichol, Graham, Pandey, Dilip K, Paynter, Nina P, Reeves, Matthew J, Sorlie, Paul D, Stein, Joel, Towfighi, Amytis, Turan, Tanya N, Virani, Salim S, Wong, Nathan D, Woo, Daniel, and Turner, Melanie B

Subjects
American Heart Association, Cardiology, Heart Diseases, Humans, Prevalence, Research Report, Risk Factors, Stroke, United States, AHA Scientific Statements, cardiovascular diseases, epidemiology, risk factors, statistics, stroke, American Heart Association Statistics Committee and Stroke Statistics Subcommittee, Cardiorespiratory Medicine and Haematology, Clinical Sciences, Public Health and Health Services, Cardiovascular System & Hematology
Abstract

Each year, the American Heart Association (AHA), in conjunction with the Centers for Disease Control and Prevention, the National Institutes of Health, and other government agencies, brings together the most up-to-date statistics on heart disease, stroke, other vascular diseases, and their risk factors and presents them in its Heart Disease and Stroke Statistical Update. The Statistical Update is a critical resource for researchers, clinicians, healthcare policy makers, media professionals, the lay public, and many others who seek the best available national data on heart disease, stroke, and other cardiovascular disease-related morbidity and mortality and the risks, quality of care, use of medical procedures and operations, and costs associated with the management of these diseases in a single document. Indeed, since 1999, the Statistical Update has been cited >10 500 times in the literature, based on citations of all annual versions. In 2012 alone, the various Statistical Updates were cited ≈3500 times (data from Google Scholar). In recent years, the Statistical Update has undergone some major changes with the addition of new chapters and major updates across multiple areas, as well as increasing the number of ways to access and use the information assembled. For this year's edition, the Statistics Committee, which produces the document for the AHA, updated all of the current chapters with the most recent nationally representative data and inclusion of relevant articles from the literature over the past year. This year's edition includes a new chapter on peripheral artery disease, as well as new data on the monitoring and benefits of cardiovascular health in the population, with additional new focus on evidence-based approaches to changing behaviors, implementation strategies, and implications of the AHA's 2020 Impact Goals. Below are a few highlights from this year's Update. © 2013 American Heart Association, Inc.

Published
2014

9. Executive summary: heart disease and stroke statistics--2014 update: a report from the American Heart Association.

Author

Go, Alan S, Mozaffarian, Dariush, Roger, Véronique L, Benjamin, Emelia J, Berry, Jarett D, Blaha, Michael J, Dai, Shifan, Ford, Earl S, Fox, Caroline S, Franco, Sheila, Fullerton, Heather J, Gillespie, Cathleen, Hailpern, Susan M, Heit, John A, Howard, Virginia J, Huffman, Mark D, Judd, Suzanne E, Kissela, Brett M, Kittner, Steven J, Lackland, Daniel T, Lichtman, Judith H, Lisabeth, Lynda D, Mackey, Rachel H, Magid, David J, Marcus, Gregory M, Marelli, Ariane, Matchar, David B, McGuire, Darren K, Mohler, Emile R, Moy, Claudia S, Mussolino, Michael E, Neumar, Robert W, Nichol, Graham, Pandey, Dilip K, Paynter, Nina P, Reeves, Matthew J, Sorlie, Paul D, Stein, Joel, Towfighi, Amytis, Turan, Tanya N, Virani, Salim S, Wong, Nathan D, Woo, Daniel, Turner, Melanie B, and American Heart Association Statistics Committee and Stroke Statistics Subcommittee

Subjects
American Heart Association Statistics Committee and Stroke Statistics Subcommittee, Humans, Heart Diseases, Prevalence, Risk Factors, Cardiology, American Heart Association, United States, Stroke, Research Report, AHA Scientific Statements, cardiovascular diseases, epidemiology, risk factors, statistics, stroke, Cardiovascular System & Hematology, Cardiorespiratory Medicine and Haematology, Clinical Sciences, Public Health and Health Services
Published
2014

10. Effects of the Million Hearts Model on Myocardial Infarctions, Strokes, and Medicare Spending

Author

Blue, Laura, primary, Kranker, Keith, additional, Markovitz, Amanda R., additional, Powell, Rhea E., additional, Williams, Malcolm V., additional, Pu, Jia, additional, Magid, David J., additional, McCall, Nancy, additional, Steiner, Allison, additional, Stewart, Kate A., additional, Rollison, Julia M., additional, Markovich, Patricia, additional, and Peterson, G. Greg, additional

Published
2023
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11. An Electronically Delivered, Patient-Activation Tool for Intensification of Medications for Chronic Heart Failure with Reduced Ejection Fraction: The EPIC-HF Trial

Author

Allen, Larry A., Venechuk, Grace, McIlvennan, Colleen K., Page, Robert L., II, Knoepke, Christopher E., Helmkamp, Laura J., Khazanie, Prateeti, Peterson, Pamela N., Pierce, Kenneth, Harger, Geoffrey, Thompson, Jocelyn S., Dow, Tristan J., Richards, Lance, Huang, Janice, Strader, James R., Trinkley, Katy E., Kao, David P., Magid, David J., Buttrick, Peter M., and Matlock, Daniel D.

Published
2021
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16. Trends in Incidence of Hospitalized Acute Myocardial Infarction in the Cardiovascular Research Network (CVRN)

Author

Reynolds, Kristi, Go, Alan S., Leong, Thomas K., Boudreau, Denise M., Cassidy-Bushrow, Andrea E., Fortmann, Stephen P., Goldberg, Robert J., Gurwitz, Jerry H., Magid, David J., Margolis, Karen L., McNeal, Catherine J., Newton, Katherine M., Novotny, Rachel, Quesenberry, Charles P., Jr., Rosamond, Wayne D., Smith, David H., VanWormer, Jeffrey J., Vupputuri, Suma, Waring, Stephen C., Williams, Marc S., and Sidney, Stephen

Published
2017
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19. Part 7: Systems of Care: 2020 American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care

Author

Berg, Katherine M., Cheng, Adam, Panchal, Ashish R., Topjian, Alexis A., Aziz, Khalid, Bhanji, Farhan, Bigham, Blair L., Hirsch, Karen G., Hoover, Amber V., Kurz, Michael C., Levy, Arielle, Lin, Yiqun, Magid, David J., Mahgoub, Melissa, Peberdy, Mary Ann, Rodriguez, Amber J., Sasson, Comilla, and Lavonas, Eric J.

Published
2020
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26. Effect of financial incentives on hospital‐cardiologist integration and cardiac test location.

Author

Ye Yuan, Andy, Black, Bernard, Viragh, Timea, Magid, David J., Luo, Qian, and Moghtaderi, Ali

Subjects
MONETARY incentives, INCENTIVE (Psychology), MEDICAL offices, OFFICES, MEDICARE Part C
Abstract

Starting around 2006, the Centers for Medicare and Medicaid Services (CMS) progressively reduced Medicare Fee‐for‐Service (M‐FFS) payments for the principal noninvasive cardiac tests, when performed in a cardiologist office (Office), yet kept payments flat to increasing for the same tests, performed in the hospital‐based outpatient (HBO) setting. This produced a growing gap between HBO and Office payments for the same tests, and thus an incentive for hospitals to acquire cardiology practices in order to move cardiac tests to the HBO location and capture the HBO/Office payment differential. We use difference‐in‐differences analysis, in which we compare national M‐FFS trends in cardiac test location to those for a control group of several large, integrated Medicare Advantage (M‐Adv) health systems over 2005–2015, which were not affected by these reimbursement changes, and provide evidence that these reimbursement changes led to a large shift in testing from Office to HBO. This shift was concurrent with a sharp rise in hospital‐cardiologist integration. The rise in integration and the proportion of testing in HBO varied greatly across states. Independent practice remains viable in very large states, but is endangered in many states, and is all but extinct in a growing number of states. [ABSTRACT FROM AUTHOR]

Published
2023
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37. The Epidemiology of Female Rape Victims Who Seek Immediate Medical Care: Temporal Trends in the Incidence of Sexual Assault and Acquaintance Rape

Author

Magid, David J., Houry, Debra, and Koepsell, Thomas D.

Abstract

Women who seek medical care following sexual assault are usually evaluated and treated in an emergency department (ED). Therefore, EDs can be an important source of sexual assault surveillance data. The authors compared the incidence of sexual assault presenting for emergency care in a single county during July to November of 1974 and 1991. Participants included all female sexual assault victims aged 14 and older who presented for ED evaluation. Treating physicians prospectively collected data using standardized forms. The z statistic was used to compare sexual assault incidence. There was a 60% increase in the incidence of sexual assault victims presenting for emergency care in 1991 compared to 1974, primarily due to an increase in the incidence of women presenting to the ED after rapes by known assailants. In contrast, the annual incidence of reported stranger assaults was similar in the two study years.

Published
2004
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50. Effect of the Million Hearts Cardiovascular Disease Risk Reduction Model on Initiating and Intensifying Medications

Author

Peterson, G. Greg, primary, Pu, Jia, additional, Magid, David J., additional, Barterian, Linda, additional, Kranker, Keith, additional, Barna, Michael, additional, Conwell, Leslie, additional, Rose, Adam, additional, Blue, Laura, additional, Markovitz, Amanda, additional, McCall, Nancy, additional, and Markovich, Patricia, additional

Published
2021
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