Search Results - "AYANIAN, J. Z"

Body mass index and outcomes following gastrointestinal cancer surgery in Japan by Yasunaga, H., Horiguchi, H., Matsuda, S., Fushimi, K., Hashimoto, H., Ayanian, J. Z.

“…Background Recent studies in the USA have shown a lower postoperative mortality rate in mildly obese patients, described as the ‘obesity paradox’. The results…”
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Effects of Health Insurance and Race on Early Detection of Cancer by Roetzheim, Richard G., Pal, Naazneen, Tennant, Colleen, Voti, Lydia, Ayanian, John Z., Schwabe, Annette, Krischer, Jeffrey P.

“…BACKGROUND: The presence and type of health insurance may be an important determinant of cancer stage at diagnosis. To determine whether previously observed…”
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Minimally important differences were estimated for the Functional Assessment of Cancer Therapy–Colorectal (FACT-C) instrument using a combination of distribution- and anchor-based approaches by Yost, K.J., Cella, D., Chawla, A., Holmgren, E., Eton, D.T., Ayanian, J.Z., West, D.W.

“…To estimate minimally important differences (MIDs) on the Functional Assessment of Cancer Therapy–Colorectal (FACT-C) instrument using anchor- and…”
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Impact of Patient and Provider Characteristics on the Treatment and Outcomes of Colorectal Cancer by Hodgson, David C., Fuchs, Charles S., Ayanian, John Z.

“…While the management and prognosis of colorectal cancer are largely dependent on clinical features such as tumor stage, there is considerable variation in…”
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The Effect of Patients' Preferences on Racial Differences in Access to Renal Transplantation by Ayanian, John Z, Cleary, Paul D, Weissman, Joel S, Epstein, Arnold M

“…Racial differences in access to effective medical procedures are a persistent problem in the United States. 1 – 6 Black patients are less likely than white…”
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Use of hormone replacement therapy by postmenopausal women in the United States by KEATING, N. L, CLEARY, P. D, ROSSI, A. S, ZASLAVSKY, A. M, AYANIAN, J. Z

“…The benefits and risks of hormone replacement therapy (HRT) in postmenopausal women are not fully defined, and individual characteristics and preferences may…”
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Psychosocial Stress and Change in Weight Among US Adults by Block, Jason P., He, Yulei, Zaslavsky, Alan M., Ding, Lin, Ayanian, John Z.

“…The association of psychosocial stress with weight gain may have important implications for clinical practice and workplace and public health interventions. To…”
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Perceived Risks of Heart Disease and Cancer Among Cigarette Smokers by Ayanian, John Z, Cleary, Paul D

“…CONTEXT Cigarette smoking causes more preventable deaths from cardiovascular disease and cancer than any other modifiable risk factor, but smokers may discount…”
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Differences in the Use of Procedures between Women and Men Hospitalized for Coronary Heart Disease by Ayanian, John Z, Epstein, Arnold M

“…CORONARY heart disease is a leading cause of morbidity and mortality in the United States among both men and women. Since 1950, the incidence of coronary heart…”
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Variation in the Use of Cardiac Procedures after Acute Myocardial Infarction by Guadagnoli, Edward, Hauptman, Paul J, Ayanian, John Z, Pashos, Chris L, McNeil, Barbara J, Cleary, Paul D

“…There are substantial geographic differences in the rates at which patients with cardiac disease undergo diagnostic procedures and treatments, but there is…”
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The Relation between Health Insurance Coverage and Clinical Outcomes among Women with Breast Cancer by Ayanian, John Z, Kohler, Betsy A, Abe, Toshi, Epstein, Arnold M

“…Access to health care is currently a subject of considerable concern in the United States. Approximately 34 million Americans lack health insurance, 1 and many…”
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Quality of Care by Race and Gender for Congestive Heart Failure and Pneumonia by Ayanian, John Z., Weissman, Joel S., Chasan-Taber, Scott, Epstein, Arnold M.

“…Background. Variations in the rates of major procedures by race and gender are well described, but few studies have assessed the quality of care by race and…”
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Rating the Appropriateness of Coronary Angiography — Do Practicing Physicians Agree with an Expert Panel and with Each Other? by Ayanian, John Z, Landrum, Mary Beth, Normand, Sharon-Lise T, Guadagnoli, Edward, McNeil, Barbara J

“…Evaluations of the appropriateness of medical care have become more common in recent years. Investigators at RAND have developed a formal method for clinical…”
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Knowledge and Practices of Generalist and Specialist Physicians Regarding Drug Therapy for Acute Myocardial Infarction by Ayanian, John Z, Hauptman, Paul J, Guadagnoli, Edward, Antman, Elliott M, Pashos, Chris L, McNeil, Barbara J

“…The appropriate role of generalist and specialist physicians is a major issue in the debate about the health care system of the United States 1 – 3 . Over two…”
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Bridging behavior and biology to reduce socioeconomic disparities in colorectal cancer risk by Ayanian, John Z, Carethers, John M

“…In 2000, rates of obesity were higher and rates of colorectal cancer screening were substantially lower among adults with less education, as reported in the…”
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Using administrative data to assess health care outcomes by Ayanian, J Z

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Increased mortality among middle-aged women after myocardial infarction: searching for mechanisms and solutions by Ayanian, J Z

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Epidemiologic Interpretation of Artificial Neural Networks by Duh, Mei-Sheng, Walker, Alexander M., Ayanian, John Z.

“…Multilayer neural networks have been faulted for functioning as “black boxes” and for failing to assess the relative importance of the input factors. The aim…”
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American College of Cardiology/American Heart Association clinical competence statement on stress testing: A report of the American College of Cardiology/American Heart Association/American College of Physicians–American Society of Internal Medicine Task Force on Clinical Competence by Rodgers, George P, Ayanian, John Z, Balady, Gary, Beasley, John W, Brown, Kenneth A, Gervino, Ernest V, Paridon, Stephen, Quinones, Miguel, Schlant, Robert C, Winters, William L, Achord, James L, Boone, Alan W, Hirshfeld, John W, Lorell, Beverly H, Rodgers, George P, Tracy, Cynthia M, Weitz, Howard H

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Validating recommendations for coronary angiography following acute myocardial infarction in the elderly: A matched analysis using propensity scores by Normand, Sharon-Lise T., Landrum, Mary Beth, Guadagnoli, Edward, Ayanian, John Z., Ryan, Thomas J., Cleary, Paul D., McNeil, Barbara J.

“…We determined whether adherence to recommendations for coronary angiography more than 12 h after symptom onset but prior to hospital discharge after acute…”
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