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Michael Shwartz

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Jennifer L Sullivan; James F Burgess; Cindy L Christiansen; Mariana Gerena-Melia; Erol A Peköz; Michael Shwartz; Dan R Berlowitz
Person-centered care practices and quality in Department of Veterans Affairs nursing homes: is there a relationship?
Michael Shwartz; James F Burgess; Cindy L Christiansen; Erol A Peköz; Dan R Berlowitz
Shrinkage estimators for a composite measure of quality conceptualized as a formative construct.
Amy K Rosen; Marlena Shin; Michael Shwartz; Qi Chen; Amresh Hanchate; Haytham M A Kaafarani; Susan Loveland; Ann M Borzecki
Examining the impact of the AHRQ Patient Safety Indicators (PSIs) on the Veterans Health Administration: the case of readmissions.

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2013: Jennifer L Sullivan; James F Burgess; Cindy L Christiansen; Mariana Gerena-Melia; Erol A Peköz; Michael Shwartz; Dan R Berlowitz
Person-centered care practices and quality in Department of Veterans Affairs nursing homes: is there a relationship?
Medical care 2013;51(2):165-71.
2013: Michael Shwartz; James F Burgess; Cindy L Christiansen; Erol A Peköz; Dan R Berlowitz
Shrinkage estimators for a composite measure of quality conceptualized as a formative construct.
Health services research 2013;48(1):271-89.
2013: Amy K Rosen; Marlena Shin; Michael Shwartz; Qi Chen; Amresh Hanchate; Haytham M A Kaafarani; Susan Loveland; Ann M Borzecki
Examining the impact of the AHRQ Patient Safety Indicators (PSIs) on the Veterans Health Administration: the case of readmissions.
Medical care 2013;51(1):37-44.
2012: Ann M Borzecki; Marisa Cevasco; Andrew J Cowan; Kamal Itani; Marlena H Shin; Michael Shwartz; Amy K Rosen
Is development of postoperative venous thromboembolism related to thromboprophylaxis use? A case-control study in the Veterans Health Administration.
Joint Commission journal on quality and patient safety / Joint Commission Resources 2012;38(8):348-58.
2012: Joseph D Restuccia; ALAN COHEN; Jedediah N Horwitt; Michael Shwartz
Hospital implementation of health information technology and quality of care: are they related?
BMC medical informatics and decision making 2012;12():109.
2012: Amy K Rosen; Marlena Shin; Michael Shwartz; Marisa Cevasco; Qi Chen; Amresh Hanchate; Kamal M F Itani; Haytham M A Kaafarani; Susan Loveland; Ann M Borzecki
Validating the patient safety indicators in the Veterans Health Administration: do they accurately identify true safety events?
Medical care 2012;50(1):74-85.
2011: Michael Shwartz; Janelle Heineke; Alan Labonte; Erol A Peköz; Joseph D Restuccia
Bringing responsibility for small area variations in hospitalization rates back to the hospital: the propensity to hospitalize index and a test of the Roemer's Law.
Medical care 2011;49(12):1062-7.
2011: Joseph D Restuccia; Michael Shwartz; Bernard E Kreger
Underuse of percutaneous coronary intervention.
JAMA : the journal of the American Medical Association 2011;306(19):2094; author reply 2094-5.
2011: Michael Shwartz; ALAN COHEN; Joseph D Restuccia; Z Justin Ren; Alan Labonte; Carol Theokary; Raymond Kang; Jedediah Horwitt
How well can we identify the high-performing hospital?
Medical care research and review : MCRR 2011;68(3):290-310.
2010: Michael Shwartz; Irene E Cramer; Sally K Holmes; ALAN COHEN; Joseph D Restuccia; Carol VanDeusen Lukas; Jennifer L Sullivan; Martin P Charns
Survey-assessed quality and organizational factors related to quality in Pursuing Perfection hospitals.
Quality management in health care 2010;19(4):349-63.
2010: Erol A Peköz; Michael Shwartz; Cindy L Christiansen; Dan Berlowitz
Approximate models for aggregate data when individual-level data sets are very large or unavailable.
Statistics in medicine 2010;29(21):2180-93.
2010: Carol VanDeusen Lukas; Ryann L Engle; Sally K Holmes; Victoria A Parker; Robert A Petzel; Marjorie Nealon Seibert; Michael Shwartz; Jennifer L Sullivan
Strengthening organizations to implement evidence-based clinical practices.
Health care management review 2010;35(3):235-45.
2008: ALAN COHEN; Joseph D Restuccia; Michael Shwartz; Jennifer E Drake; Ray Kang; Peter Kralovec; Sally K Holmes; Frances Margolin; Deborah Bohr
A survey of hospital quality improvement activities.
Medical care research and review : MCRR 2008;65(5):571-95.
2008: Michael Shwartz; Justin Ren; Erol A Peköz; Xin Wang; ALAN COHEN; Joseph D Restuccia
Estimating a composite measure of hospital quality from the Hospital Compare database: differences when using a Bayesian hierarchical latent variable model versus denominator-based weights.
Medical care 2008;46(8):778-85.
2008: Stephen M Davidson; Michael Shwartz; Randall S Stafford
The feasibility and value of new measures showing patterns of quality for patients with 3 chronic conditions.
The Journal of ambulatory care management 2008;31(1):37-51.
2007: Carol VanDeusen Lukas; Sally K Holmes; ALAN COHEN; Joseph D Restuccia; Irene E Cramer; Michael Shwartz; Martin P Charns
Transformational change in health care systems: an organizational model.
Health care management review 2007;32(4):309-20.
2005: Michael Shwartz; Erol A Peköz; Arlene S Ash; Michael A Posner; Joseph D Restuccia; Lisa I Iezzoni
Do variations in disease prevalence limit the usefulness of population-based hospitalization rates for studying variations in hospital admissions?
Medical care 2005;43(1):4-11.
2003: Erol A Peköz; Michael Shwartz; Lisa I Iezzoni; Arlene S Ash; Michael A Posner; Joseph D Restuccia
Comparing the importance of disease rate versus practice style variations in explaining differences in small area hospitalization rates for two respiratory conditions.
Statistics in medicine 2003;22(10):1775-86.
2002: Joseph D Restuccia; Michael Shwartz; Bernard E Kreger; Susan M C Payne; Arlene S Ash; Lisa I Iezzoni; Janelle Heineke; Harry P Selker; Theresa Gomes; Alan Labonte; John R Butterly
Does more "appropriateness" explain higher rates of cardiac procedures among patients hospitalized with coronary heart disease?
Medical care 2002;40(6):500-9.
2001: SIDIKA KAYA; K Eroğlu; Gülsen Vural; Michael Shwartz; Joseph D Restuccia
Factors affecting appropriateness of hospital utilization in two hospitals in Turkey.
Journal of medical systems 2001;25(6):373-83.
2000: Ellen P McCarthy; Risa B Burns; Karen M Freund; Arlene S Ash; Michael Shwartz; S L Marwill; Mark A Moskowitz
Mammography use, breast cancer stage at diagnosis, and survival among older women.
Journal of the American Geriatrics Society 2000;48(10):1226-33.
2000: C Leonhard; KP Mulvey; David Gastfriend; Michael Shwartz
The Addiction Severity Index: a field study of internal consistency and validity.
Journal of substance abuse treatment 2000;18(2):129-35.
2000: Michael Shwartz; D A Stone; J Camp; KP Mulvey; M Kane; A Plough
The value of case management in the publicly funded substance abuse treatment system. The perspective of program directors, case managers and clients.
Care management journals : Journal of case management ; The journal of long term home health care 2000;2(3):139-47.
1999: Michael Shwartz; Richard Saitz; KP Mulvey; P Brannigan
The value of acupuncture detoxification programs in a substance abuse treatment system.
Journal of substance abuse treatment 1999;17(4):305-12.
1999: Michael Shwartz; David Gastfriend; KP Mulvey; G Baker; D Woods; C Wheeler; N Zaremba; A Plough
The Boston Target Cities program: overview and evaluation results.
Journal of psychoactive drugs 1999;31(3):265-72.
1999: Arlene S Ash; Michael Shwartz
R2: a useful measure of model performance when predicting a dichotomous outcome.
Statistics in medicine 1999;18(4):375-84.
1998: Ellen P McCarthy; Risa B Burns; S S Coughlin; Karen M Freund; J Rice; S L Marwill; Arlene S Ash; Michael Shwartz; Mark A Moskowitz
Mammography use helps to explain differences in breast cancer stage at diagnosis between older black and white women.
Annals of internal medicine 1998;128(9):729-36.
1998: Lisa I Iezzoni; Arlene S Ash; Michael Shwartz; Bruce E Landon; YD Mackiernan
Predicting in-hospital deaths from coronary artery bypass graft surgery. Do different severity measures give different predictions?
Medical care 1998;36(1):28-39.
1997: Michael Shwartz; G Baker; KP Mulvey; A Plough
Improving publicly funded substance abuse treatment: the value of case management.
American journal of public health 1997;87(10):1659-64.
1997: Lisa I Iezzoni; Arlene S Ash; Michael Shwartz; YD Mackiernan
Differences in procedure use, in-hospital mortality, and illness severity by gender for acute myocardial infarction patients: are answers affected by data source and severity measure?
Medical care 1997;35(2):158-71.
1997: Michael Shwartz; KP Mulvey; D Woods; P Brannigan; A Plough
Length of stay as an outcome in an era of managed care. An empirical study.
Journal of substance abuse treatment 1997;14(1):11-8.
1996: Lisa I Iezzoni; Michael Shwartz; Arlene S Ash; Y D Mackiernan
Predicting in-hospital mortality for stroke patients: results differ across severity-measurement methods.
Medical decision making : an international journal of the Society for Medical Decision Making 1996;16(4):348-56.
1996: Michael Shwartz; Lisa I Iezzoni; Arlene S Ash; Y D Mackiernan
Do severity measures explain differences in length of hospital stay? The case of hip fracture.
Health services research 1996;31(4):365-85.
1996: Lisa I Iezzoni; Arlene S Ash; Michael Shwartz; J Daley; J S Hughes; Y D Mackiernan
Judging hospitals by severity-adjusted mortality rates: the influence of the severity-adjustment method.
American journal of public health 1996;86(10):1379-87.
1996: Michael Shwartz; Lisa I Iezzoni; M A Moskowitz; Arlene S Ash; E Sawitz
The importance of comorbidities in explaining differences in patient costs.
Medical care 1996;34(8):767-82.
1996: Risa B Burns; Ellen P McCarthy; Karen M Freund; S L Marwill; Michael Shwartz; Arlene S Ash; M A Moskowitz
Variability in mammography use among older women.
Journal of the American Geriatrics Society 1996;44(8):922-6.
1996: Risa B Burns; Ellen P McCarthy; Karen M Freund; S L Marwill; Michael Shwartz; Arlene S Ash; M A Moskowitz
Black women receive less mammography even with similar use of primary care.
Annals of internal medicine 1996;125(3):173-82.
1996: Risa B Burns; Karen M Freund; Arlene S Ash; Michael Shwartz; L Antab; R Hall
As mammography use increases, are some providers omitting clinical breast examination?
Archives of internal medicine 1996;156(7):741-4.
1996: Lisa I Iezzoni; Michael Shwartz; Arlene S Ash; Y D Mackiernan
Does severity explain differences in hospital length of stay for pneumonia patients?
Journal of health services research & policy 1996;1(2):65-76.
1996: J Restuccia; Michael Shwartz; Arlene S Ash; S Payne
High hospital admission rates and inappropriate care.
Health affairs (Project Hope) 1996;15(4):156-63.
1996: Lisa I Iezzoni; Michael Shwartz; Arlene S Ash; Y D Mackiernan
Using severity measures to predict the likelihood of death for pneumonia inpatients.
Journal of general internal medicine 1996;11(1):23-31.
1996: B Landon; Lisa I Iezzoni; Arlene S Ash; Michael Shwartz; J Daley; J S Hughes; Y D Mackiernan
Judging hospitals by severity-adjusted mortality rates: the case of CABG surgery.
Inquiry : a journal of medical care organization, provision and financing 1996;33(2):155-66.
1996: Lisa I Iezzoni; Michael Shwartz; Arlene S Ash; J S Hughes; J Daley; Y D Mackiernan
Severity measurement methods and judging hospital death rates for pneumonia.
Medical care 1996;34(1):11-28.
1995: Michael Shwartz; David W Young; R Siegrist
The ratio of costs to charges: how good a basis for estimating costs?
Inquiry : a journal of medical care organization, provision and financing 1995;32(4):476-81.
1995: Lisa I Iezzoni; Arlene S Ash; Michael Shwartz; J Daley; J S Hughes; Y D Mackiernan
Predicting who dies depends on how severity is measured: implications for evaluating patient outcomes.
Annals of internal medicine 1995;123(10):763-70.
1995: Risa B Burns; Karen M Freund; Arlene S Ash; Michael Shwartz; L Antab; R Hall
Who gets repeat screening mammography: the role of the physician.
Journal of general internal medicine 1995;10(9):520-2.
1995: Michael Shwartz; R K Klimberg; M Karp; Lisa I Iezzoni; Arlene S Ash; J Heineke; S M Payne; J D Restuccia
An integer programming model to limit hospital selection in studies with repeated sampling.
Health services research 1995;30(2):359-76.
1995: Lisa I Iezzoni; Michael Shwartz; Arlene S Ash; J S Hughes; J Daley; Y D Mackiernan
Using severity-adjusted stroke mortality rates to judge hospitals.
International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua 1995;7(2):81-94.
1994: Michael Shwartz; Arlene S Ash; J Anderson; Lisa I Iezzoni; S M Payne; J D Restuccia
Small area variations in hospitalization rates: how much you see depends on how you look.
Medical care 1994;32(3):189-201.
1994: Lisa I Iezzoni; Michael Shwartz; Arlene S Ash; Y Mackiernan; E K Hotchkin
Risk adjustment methods can affect perceptions of outcomes.
American journal of medical quality : the official journal of the American College of Medical Quality 1994;9(2):43-8.
1993: Lisa I Iezzoni; E K Hotchkin; Arlene S Ash; Michael Shwartz; Y Mackiernan
MedisGroups data bases. The impact of data collection guidelines on predicting in-hospital mortality.
Medical care 1993;31(3):277-83.
1992: Michael Shwartz
Validation of a model of breast cancer screening: an outlier observation suggests the value of breast self-examinations.
Medical decision making : an international journal of the Society for Medical Decision Making 1992;12(3):222-8.
1992: Lisa I Iezzoni; J D Restuccia; Michael Shwartz; D Schaumburg; G A Coffman; B E Kreger; J R Butterly; Harry P Selker
The utility of severity of illness information in assessing the quality of hospital care. The role of the clinical trajectory.
Medical care 1992;30(5):428-44.
1991: S M Payne; J D Restuccia; Arlene S Ash; Michael Shwartz; L Tarr; B Williams
Using utilization review information to improve hospital efficiency.
Hospital & health services administration 1991;36(4):473-90.
1991: Lisa I Iezzoni; Michael Shwartz; J Restuccia
The role of severity information in health policy debates: a survey of state and regional concerns.
Inquiry : a journal of medical care organization, provision and financing 1991;28(2):117-28.
1990: Lisa I Iezzoni; Michael Shwartz; M A Moskowitz; Arlene S Ash; E Sawitz; S Burnside
Illness severity and costs of admissions at teaching and nonteaching hospitals.
JAMA : the journal of the American Medical Association 1990;264(11):1426-31.