Validly interpreting patients' reports: using bifactor and multidimensional models to determine whether surveys and scales measure one or more constructs.

abstract：BACKGROUND:Functional limitations of persons living with HIV affect their care needs and ability to perform social roles such as employment. Earlier estimates are outdated, and nationally representative estimates of prevalence and distribution of these limitations have not previously been available. OBJECTIVES:The obj...

journal_title：Medical care

authors： Crystal S,Fleishman JA,Hays RD,Shapiro MF,Bozzette SA

更新日期：2000-12-01 00:00:00

abstract：OBJECTIVES:To contrast the interpretations of treatment effect estimates using risk adjustment and instrumental variable (IV) estimation methods using observational data when the effects of treatment are heterogeneous across patients. We demonstrate these contrasts by examining the effect of breast conserving surgery p...

journal_title：Medical care

authors： Brooks JM,Chrischilles EA

更新日期：2007-10-01 00:00:00

abstract：:Although there have been a number of studies linking psychological distress to the demand for medical care, few studies have examined this relationship among the aged. The issue is important, however, partly because it has been suggested that distress might cause some individuals to seek unneeded medical care. The fin...

journal_title：Medical care

authors： Berkanovic E,Hurwicz ML

更新日期：1989-11-01 00:00:00

abstract：BACKGROUND:As Medicaid clients have come to be enrolled in managed care, concerns have arisen about the ability of private sector systems to meet the needs of enrollees with substance abuse problems. OBJECTIVES:This project describes treatment initiation and duration for Medicaid and commercial substance abuse treatme...

journal_title：Medical care

authors： McFarland BH,Lynch FL,Freeborn DK,Green CA,Polen MR,Deck DD,Dickinson DM

更新日期：2006-06-01 00:00:00

abstract：OBJECTIVES:The economic impact of trauma in older persons is a matter of increasing concern to public health practitioners and planners, yet it is an issue that has not been widely studied. Available evidence does suggest, however, that falls are the costliest category of injury among older persons. METHODS:This study...

journal_title：Medical care

authors： Rizzo JA,Friedkin R,Williams CS,Nabors J,Acampora D,Tinetti ME

更新日期：1998-08-01 00:00:00

abstract：:This study, based on household interviews of employed individuals and their families, examines the effects of type of health insurance program and various sociodemographic factors on patterns of use of preventive medical services. A major concern of the paper is to explore the issue of whether participants in prepaid ...

journal_title：Medical care

authors： Slesinger DP,Tessler RC,Mechanic D

更新日期：1976-05-01 00:00:00

abstract：BACKGROUND:In Ontario, Canada, the 70/90 regulations were instituted in May 1993 to establish provincial government procurement prices for generic drugs. Accordingly, the first generic entrant's price could not exceed 70% of the incumbent's branded price. Subsequent entrants' prices could not exceed 90% of the first en...

journal_title：Medical care

authors： Anis AH,Guh DP,Woolcott J

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND:With the increasing use of colonoscopy there is growing concern about the quality of these procedures. OBJECTIVE:To evaluate the rates of complete colonic evaluation after an incomplete colonoscopy and their associated factors. METHODS:Men and women > or =50 years old living in Ontario on January 1, 1997 w...

journal_title：Medical care

authors： Rizek R,Paszat LF,Stukel TA,Saskin R,Li C,Rabeneck L

更新日期：2009-01-01 00:00:00

abstract：:The published preferences for scale steps in a health-related quality-of-life scale have been noted to be contrary to some prior assumptions about their rank ordering. The differences noted are actually statistically nonsignificant, and the observed ordering has a clear intuitive explanation. Several alternative expla...

journal_title：Medical care

authors： Bush JW,Anderson JP,Kaplan RM,Blischke WR

更新日期：1982-05-01 00:00:00

abstract：BACKGROUND:A need exists for adapting existing perioperative risk stratification methods such as the Charlson Comorbidity Index (CCI) for application with hospital administrative data in noncardiac surgery populations. OBJECTIVE:Develop and validate outcome-specific CCIs for predicting inpatient mortality, and cardiac...

journal_title：Medical care

authors： Moodley Y

更新日期：2016-12-01 00:00:00

abstract：:One of the techniques adopted recently by certain hospitals to meet the competitive pressure for reducing costs is physician profiling. Profiling produces periodic reports that compare a physician's resource consumption to a benchmark figure. This study analyzes the effectiveness and implications of one hospital's int...

journal_title：Medical care

authors： Evans JH 3rd,Hwang Y,Nagarajan N

更新日期：1995-11-01 00:00:00

abstract：:Although Alzheimer's-type dementia (ATD) is characterized by global intellectual deterioration, few systematic efforts have been made to characterize overall dysfunction of ATD patients. The Sickness Impact Profile (SIP) was administered to ATD patients and family members to determine the concurrent validity of family...

journal_title：Medical care

authors： Krenz C,Larson EB,Buchner DM,Canfield CG

更新日期：1988-05-01 00:00:00

abstract：BACKGROUND:The transition from Medicaid-only to dual Medicare/Medicaid coverage has the potential to reduce financial barriers to health care for patients with serious mental illness through increased coverage or expanded access to clinicians as their reimbursement increases. AIMS:To estimate the effect of dual covera...

journal_title：Medical care

authors： Burns ME,Huskamp HA,Smith JC,Madden JM,Soumerai SB

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:Hospital administrative health data create separate records for each hospital stay of patients. Treating a hospital transfer as a readmission could lead to biased results in health service research. METHODS:This is a cross-sectional study. We used the hospital discharge abstract database in 2013 from Albert...

journal_title：Medical care

authors： Peng M,Li B,Southern DA,Eastwood CA,Quan H

更新日期：2017-01-01 00:00:00

abstract：:The human immunodeficiency virus (HIV) epidemic and the prevalence of HIV-positive persons in the population has provoked marked anxiety among hospital staffs of acquiring nosocomially transmitted HIV infections. A national telephone survey of key staff in a sample of 561 acute-care hospitals was undertaken to describ...

journal_title：Medical care

authors： Freeman HE

更新日期：1991-02-01 00:00:00

abstract：BACKGROUND:The "Unborn Child" (UC) option provides state Medicaid/Children's Health Insurance Program (CHIP) programs with a new strategy to extend prenatal coverage to low-income women who would otherwise have difficulty enrolling in or would be ineligible for Medicaid. OBJECTIVES:To examine the association of the UC...

journal_title：Medical care

authors： Jarlenski MP,Bennett WL,Barry CL,Bleich SN

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Patients have longer lengths of hospital stay (LOS) in VA medical centers than in the general health care system. OBJECTIVE:The objective of this study was to determine whether resource use and outcome differences between VA and non-VA inpatient rehabilitation facilities remain after controlling for patient...

journal_title：Medical care

authors： Stineman MG,Ross RN,Hamilton BB,Maislin G,Bates B,Granger CV,Asch DA

更新日期：2001-02-01 00:00:00

abstract：:The association of underutilization of drugs prescribed for the treatment of hypertension and acute-care hospital readmissions was evaluated. The data base consisted of computerized hospitalization records and computerized out-patient pharmacy records, checked by chart audit for validity. The number of days' supply of...

journal_title：Medical care

authors： Maronde RF,Chan LS,Larsen FJ,Strandberg LR,Laventurier MF,Sullivan SR

更新日期：1989-12-01 00:00:00

abstract：INTRODUCTION/OBJECTIVES:The engagement of patients and other stakeholders is a critical element in the design of patient-centered outcomes research studies. However, methodology for scalable engagement in research management particularly activities such as operationalization of principles and setting of priorities is n...

journal_title：Medical care

authors： Kim KK,Khodyakov D,Marie K,Taras H,Meeker D,Campos HO,Ohno-Machado L

更新日期：2018-10-01 00:00:00

abstract：:The techniques of cost-effectiveness are employed to simplify resource allocation decisions concerned with the use of land and air transport systems in the health services of a developing country. Outcome classifications are produced for patients seen by mobile and fixed primary care units. The mobile services examine...

journal_title：Medical care

authors： Walker G,Gish O

更新日期：1977-04-01 00:00:00

abstract：:Research indicates that approximately one in five hospital admissions is unnecessary or inappropriate, based on accepted clinical criteria. Various cost-containment approaches have been initiated to reduce unnecessary hospital care. Among these approaches, hospital utilization review (UR) has shown promise as a cost-c...

journal_title：Medical care

authors： Wickizer TM,Wheeler JR,Feldstein PJ

更新日期：1989-06-01 00:00:00

abstract：INTRODUCTION:Screening hospital patients for falls risk is now a contentious component of geriatric care despite its widespread clinical use. The economic implications of using a falls risk screening approach to deliver an effective falls prevention intervention have not previously been examined. METHODS:This was a mu...

journal_title：Medical care

authors： Haines T,Kuys SS,Morrison G,Clarke J,Bew P

更新日期：2009-04-01 00:00:00

abstract：OBJECTIVE:The Agency for Healthcare Research and Quality (AHRQ) developed 20 patient safety indicators (PSIs) to identify potentially preventable complications of acute inpatient care based on administrative data. The objective of this patient safety performance study was to assess the impact of cases flagged by each P...

journal_title：Medical care

authors： Bahl V,Thompson MA,Kau TY,Hu HM,Campbell DA Jr

更新日期：2008-05-01 00:00:00

abstract：:The authors compared the continuity of care that family physicians, general internists, and medical subspecialists provided to their adult primary care patients. The 40 study physicians came from large, private multispecialty practices in the San Francisco Bay Area. The three physician types did not differ significant...

journal_title：Medical care

authors： Goldberg HI,Dietrich AJ

更新日期：1985-01-01 00:00:00

abstract：:In 1979, MEDICAL CARE published a supplement that summarized and evaluated existing research on changes in health care patterns associated with mental health, alcoholism, and drug abuse treatment. This paper, limited to alcoholism treatment, reviews research that has been completed since the 1979 supplement. Considera...

journal_title：Medical care

authors： Holder HD

更新日期：1987-01-01 00:00:00

abstract：OBJECTIVES:Many patients have limited English proficiency and require an interpreter. The authors evaluated the effect of current interpreting practices on Spanish-speaking patients' satisfaction with the patient-provider relationship. METHODS:A cross-sectional survey was conducted of 457 patients seen in a public hos...

journal_title：Medical care

authors： Baker DW,Hayes R,Fortier JP

更新日期：1998-10-01 00:00:00

abstract：:Nurse anesthetists (CRNAs) are a lower cost substitute for anesthesiologists in the delivery of anesthesia services. This article addresses the question of when anesthesiologists delegate in a team approach as opposed to using a solo arrangement. Logistic regression analysis was done using data from the 1986 Anesthesi...

journal_title：Medical care

authors： Rosenbach ML,Cromwell J

更新日期：1989-05-01 00:00:00

abstract：BACKGROUND:Hospitals will increasingly bear the costs for healthcare-acquired conditions such as infection. Our goals were to estimate the costs attributable to healthcare-acquired infection (HAI) and conduct a sensitivity analysis comparing analytic methods. METHODS:A random sample of high-risk adults hospitalized in...

journal_title：Medical care

authors： Roberts RR,Scott RD 2nd,Hota B,Kampe LM,Abbasi F,Schabowski S,Ahmad I,Ciavarella GG,Cordell R,Solomon SL,Hagtvedt R,Weinstein RA

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:Nearly half of US births are financed by Medicaid, and one-third of births occur by cesarean delivery, at double the cost of vaginal delivery. With the goal of reducing unnecessary cesarean use and improving value, in 2009 Minnesota's Medicaid program introduced a blended payment rate for uncomplicated birth...

journal_title：Medical care

authors： Kozhimannil KB,Graves AJ,Ecklund AM,Shah N,Aggarwal R,Snowden JM

更新日期：2018-08-01 00:00:00

abstract：OBJECTIVE:To compare mental health service utilization and its associated factors between African Americans and whites in the 1980s and 1990s. DESIGN:Household-based longitudinal study with baseline interviews in 1981 and follow-up interviews from 1993 to 1996. SETTING:The Baltimore Epidemiologic Catchment Area (ECA)...

journal_title：Medical care

authors： Cooper-Patrick L,Gallo JJ,Powe NR,Steinwachs DM,Eaton WW,Ford DE

更新日期：1999-10-01 00:00:00