abstract：OBJECTIVE:To examine the association between registered nurse (RN) staffing and patient outcomes in acute care hospitals. STUDY SELECTION:Twenty-eight studies reported adjusted odds ratios of patient outcomes in categories of RN-to-patient ratio, and met inclusion criteria. Information was abstracted using a standardi...

journal_title：Medical care

authors： Kane RL,Shamliyan TA,Mueller C,Duval S,Wilt TJ

更新日期：2007-12-01 00:00:00

abstract：OBJECTIVE:To compare trends in office-based treatment of mental disorders between Hispanics and non-Hispanics. DESIGN, SETTING, AND PARTICIPANTS:Analysis of a nationally representative sample of visits to office-based physicians conducted between 1993 and 2002 (N = 251,905). Visits were grouped into 3 discrete time pe...

journal_title：Medical care

authors： Blanco C,Patel SR,Liu L,Jiang H,Lewis-Fernández R,Schmidt AB,Liebowitz MR,Olfson M

更新日期：2007-11-01 00:00:00

abstract：OBJECTIVES:In February 2002, the Department of Veterans Affairs (VA) raised medication copayments from $2 to $7 per 30-day supply of medication for certain veteran groups. We examined the impact of the copayment increase on medication acquisition from VA. METHODS:This was a retrospective cohort study using data from n...

journal_title：Medical care

authors： Stroupe KT,Smith BM,Lee TA,Tarlov E,Durazo-Arvizu R,Huo Z,Barnett T,Cao L,Burk M,Cunningham F,Hynes DM,Weiss KB

更新日期：2007-11-01 00:00:00

abstract：CONTEXT:Small studies suggest that the quality of healthcare provided to older patients needs improvement. However, measuring the quality of care for larger groups of older adults is difficult. OBJECTIVE:To measure the quality of care in a community-dwelling vulnerable geriatric population using administrative data to...

journal_title：Medical care

authors： Zingmond DS,Wilber KH,Maclean CH,Wenger NS

更新日期：2007-10-01 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：BACKGROUND:The 3 primary administrative data sets developed by the Centers for Medicare and Medicaid services (CMS) to support the Medicare Part D program implementation represent a valuable source of data for health services researchers. This paper describes the structure of the Medicare Part D program and the related...

journal_title：Medical care

authors： Greenwald LM

更新日期：2007-10-01 00:00:00

abstract：PURPOSE:To explore whether there was a significant relationship between difficulty paying for ostomy supplies and overall quality of life among a sample of ostomates receiving care from the Veterans Health Administration (VHA). METHODS:The data were collected as part of the Veterans Affairs (VA) Ostomy Health-Related ...

journal_title：Medical care

authors： Coons SJ,Chongpison Y,Wendel CS,Grant M,Krouse RS

更新日期：2007-09-01 00:00:00

abstract：OBJECTIVE:To examine the effects of health plan enrollment [health maintenance organizations (HMO) or fee-for-service (FFS)], a change in Medicare reimbursement policy which allowed for annual rather than biennial mammograms, and Health Plan Employer Data Information Set (HEDIS) measures on stage at diagnosis among old...

journal_title：Medical care

authors： Habermann EB,Virnig BA,Riley GF,Baxter NN

更新日期：2007-08-01 00:00:00

abstract：BACKGROUND:Many of the large ongoing national surveys of the US population contain a question that asks for the respondent's self-reported health status: "excellent," "very good," "good," "fair," or "poor." These surveys could be used to conduct cost-utility analyses of health care policies, treatments or other interve...

journal_title：Medical care

authors： Nyman JA,Barleen NA,Dowd BE,Russell DW,Coons SJ,Sullivan PW

更新日期：2007-07-01 00:00:00

abstract：OBJECTIVE:In the United States, data on transplanted and waitlisted patients collected by the Organ Procurement and Transplantation Network (OPTN) have been widely used in transplantation research. Administrative claims data, collected by health plans for reimbursement purposes, are also commonly used in health-service...

journal_title：Medical care

authors： Gilmore AS,Helderman JH,Ricci JF,Ryskina KL,Feng S,Kang N,Legorreta AP

更新日期：2007-06-01 00:00:00

abstract：BACKGROUND:Most studies have found that black men are less likely to receive aggressive therapy for nonmetastatic prostate cancer, even after controlling for covariates. However, previous studies have not accounted for the clustering of outcomes by facility. OBJECTIVE:We sought to compare the proportions of black and ...

journal_title：Medical care

authors： Rose AJ,Backus BM,Gershman ST,Santos P,Ash AS,Battaglia TA

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND:Failure to rescue (FTR), the rate of death in patients suffering 1 of 6 in-hospital complications, is an Agency for Healthcare Research and Quality (AHRQ) Patient Safety Indicator calculated from administrative data. OBJECTIVE:: We sought to assess the accuracy of the AHRQ FTR algorithm. METHODS:We underto...

journal_title：Medical care

authors： Horwitz LI,Cuny JF,Cerese J,Krumholz HM

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND:Cost-utility analyses using formulas to convert depression-free days (DFDs) to utility-weighted scores are increasingly common. These formulas are based on linear extrapolation of data documenting the correlation between depression symptom severity and generic health-related quality of life. OBJECTIVE:We so...

journal_title：Medical care

authors： Pyne JM,Tripathi S,Williams DK,Fortney J

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND:Patients with chronic disease who express stronger preference for their current health might be expected to have better outcomes than patients who assign lower utility to their current health state. OBJECTIVE:We sought to examine associations between preferences for current health and outcomes in a national...

journal_title：Medical care

authors： Plantinga LC,Fink NE,Bass EB,Boulware LE,Meyer KB,Powe NR

更新日期：2007-03-01 00:00:00

abstract：OBJECTIVES:Although information technology (IT) may improve efficiency and quality of patient care, the adoption of clinical IT by physicians has been limited. This study investigates the relationships between physician practice revenue and use of clinical IT. RESEARCH DESIGN:We undertook a cross-sectional analysis of...

journal_title：Medical care

authors： Furukawa MF,Ketcham JD,Rimsza ME

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND:Evidence that medical error is a systemic problem requiring systemic solutions continues to expand. Developing a "safety culture" is one potential strategy toward improving patient safety. A reliable and valid self-report measure of safety culture is needed that is both grounded in concrete behaviors and is ...

journal_title：Medical care

authors： Vogus TJ,Sutcliffe KM

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:The quality of care for Medicare beneficiaries with diabetes remains suboptimal. The contributing factors at the physician level are not well characterized, especially the relationship of patient volume and physician performance. OBJECTIVE:We sought to determine associations between the number of Medicare d...

journal_title：Medical care

authors： Holmboe ES,Wang Y,Tate JP,Meehan TP

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND:Quality improvement organizations (QIOs) are contracted to improve the quality of care delivered to Medicare beneficiaries. The purpose of this study was to determine whether provider participation in New York State QIO activities resulted in significant improvements in the quality of diabetes care during th...

journal_title：Medical care

authors： Wu WY,Chen JJ,Shih A

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND:An important part of examining the adequacy of measures for use in ethnically diverse populations is the evaluation of differential item functioning (DIF) among subpopulations such as those administered the measure in different languages. A number of methods exist for this purpose. OBJECTIVE:The objective o...

journal_title：Medical care

authors： Orlando Edelen MO,Thissen D,Teresi JA,Kleinman M,Ocepek-Welikson K

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:Conceptual equivalence of measures is essential in research that compares health across diverse racial/ethnic groups. Cognitive interviews are pretest methods to explore the conceptual equivalence of survey items. Systematic approaches for using these methods are emerging. OBJECTIVE:We describe an interacti...

journal_title：Medical care

authors： Nápoles-Springer AM,Santoyo-Olsson J,O'Brien H,Stewart AL

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:Various forms of differential item functioning (DIF) in the Mini-Mental State Examination (MMSE) have been identified. Items have been found to perform differently for individuals of different educational levels, racial/ethnic groups, and/or of groups whose first language is not English. The articles in this...

journal_title：Medical care

authors： Ramirez M,Teresi JA,Holmes D,Gurland B,Lantigua R

更新日期：2006-11-01 00:00:00

abstract：OBJECTIVE:We sought to project the lifetime cost of medical care for human immunodefiency virus (HIV)-infected adults using current antiretroviral therapy (ART) standards. METHODS:Medical visits and hospitalizations for any reason were from the HIV Research Network, a consortium of high-volume HIV primary care sites. ...

journal_title：Medical care

authors： Schackman BR,Gebo KA,Walensky RP,Losina E,Muccio T,Sax PE,Weinstein MC,Seage GR 3rd,Moore RD,Freedberg KA

更新日期：2006-11-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to estimate the effect of Medicare Health Maintenance Organization (HMO) enrollment on hospitalization rates and total inpatient days for ambulatory care-sensitive conditions (ACSCs) after controlling for selection. RESEARCH DESIGN:Simultaneous equations using a discrete facto...

journal_title：Medical care

authors： Zeng F,O'Leary JF,Sloss EM,Lopez MS,Dhanani N,Melnick G

更新日期：2006-10-01 00:00:00

abstract：PURPOSE:Healthcare organizations have undergone major change efforts in the past decade. Sustained change is related to continued alignment among organizational participants and may fail with incongruent perceptions of change. This study identifies factors contributing to the alignment in perceptions of organizational ...

journal_title：Medical care

authors： Walston SL,Chou AF

更新日期：2006-09-01 00:00:00

abstract：BACKGROUND:Except in cardiac surgery, measuring quality with procedure-specific mortality rates is unreliable because of small sample sizes at individual hospitals. Statistical power can be improved by combining mortality data from multiple operations. We sought to determine whether this approach would still be useful ...

journal_title：Medical care

authors： Dimick JB,Staiger DO,Birkmeyer JD

更新日期：2006-08-01 00:00:00

abstract：BACKGROUND:Many state Medicaid programs use prior authorization programs to limit spending on cyclooxygenase-2 selective nonsteroidal anti-inflammatory drugs (coxibs). However, the evidence base for the prior authorization criteria has not been examined previously. METHODS:We determined whether prior authorization was...

journal_title：Medical care

authors： Fischer MA,Cheng H,Schneeweiss S,Avorn J,Solomon DH

更新日期：2006-07-01 00:00:00

abstract：OBJECTIVE:We sought to quantify Veterans Health Administration (VA) patients' utilization of coronary revascularization in the private sector and to assess the potential impact of directing this care to high-performance hospitals. METHODS:Using VA and New York State administrative and clinical databases, we conducted ...

journal_title：Medical care

authors： Weeks WB,Bott DM,Bazos DA,Campbell SL,Lombardo R,Racz MJ,Hannan EL,Wright SM,Fisher ES

更新日期：2006-06-01 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：BACKGROUND:Despite clinical guidelines, many patients with hypercholesterolemia do not achieve treatment goals in clinical practice. OBJECTIVES:This study examined physician attitudes and beliefs about hyperlipidemia and whether they are associated with lipid treatment decisions. METHODS:This was a cross-sectional st...

journal_title：Medical care

authors： Foley KA,Denke MA,Kamal-Bahl S,Simpson R Jr,Berra K,Sajjan S,Alexander CM

更新日期：2006-05-01 00:00:00

abstract：OBJECTIVES:We examine the relationship between health insurance coverage and children's access to and utilization of medical care. Access measures we study are having a usual source of care (USC) and lacking a USC for financial or insurance reasons. We also examine indicators for ambulatory visits, well-child visits, d...

journal_title：Medical care

authors： Selden TM,Hudson JL

更新日期：2006-05-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to assess the cost attributable to lost productivity from arthritis and the association between the degree of loss and demographic, disease-related, occupational, and psychosocial variables for people. METHODS:In a prospective study, 383 employed individuals with arthritis wer...

journal_title：Medical care

authors： Li X,Gignac MA,Anis AH

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND:State Medicaid programs introduce many types of prescribing restrictions to manage pharmaceutical use and expenditure. Little is known about the differential effect of implementing prior authorization (PA) policies at market entry versus waiting until several years later when prescribing behavior may already...

journal_title：Medical care

authors： Roughead EE,Zhang F,Ross-Degnan D,Soumerai S

更新日期：2006-04-01 00:00:00

abstract：OBJECTIVE:We studied the effects of health insurance, health care needs, and demographic and area characteristics on out-of-pocket health care spending for low and higher income insured populations. MATERIALS AND METHODS:We used the 2002 National Survey of America's Families to analyze out-of-pocket health spending. P...

journal_title：Medical care

authors： Shen YC,McFeeters J

更新日期：2006-03-01 00:00:00

abstract：BACKGROUND:Although individuals' health insurance coverage changes frequently, previous analyses have not accounted for changes in insurance coverage over time. OBJECTIVE:We sought to determine the independent association between lack of insurance and the risk of a decline in self-reported overall health and death fro...

journal_title：Medical care

authors： Baker DW,Sudano JJ,Durazo-Arvizu R,Feinglass J,Witt WP,Thompson J

更新日期：2006-03-01 00:00:00

abstract：BACKGROUND:Medical error reporting is an essential component of patient safety enhancement. However, increasingly, the literature points to a problem of underreporting of treatment errors, mainly as a result of the fear of malpractice lawsuits and limited formal data collection systems. Few studies, if any, have examin...

journal_title：Medical care

authors： Naveh E,Katz-Navon T,Stern Z

更新日期：2006-02-01 00:00:00

abstract：BACKGROUND:Eliminating barriers to care is important for improving health service use. However, the barriers to mental health care have not been well investigated. OBJECTIVES:This study was designed to provide information about the barriers to mental health service use and to identify clinical factors associated with ...

journal_title：Medical care

authors： Wang J

更新日期：2006-02-01 00:00:00

abstract：BACKGROUND:The Program of All-Inclusive Care for the Elderly (PACE) is an acute/long-term managed care plan designed to care for the most frail and vulnerable Medicare beneficiaries. To our knowledge, this is a first study to examine patterns and predictors of disenrollment from PACE. OBJECTIVE:PACE, with its comprehe...

journal_title：Medical care

authors： Temkin-Greener H,Bajorska A,Mukamel DB

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:Case-mix adjustment is widely used in health services research to ensure that groups being compared are equivalent on variables predicting outcome. There has been considerable development and testing of comorbidity indices derived from diagnostic codes recorded in administrative databases, but increasingly, ...

journal_title：Medical care

authors： Mayo NE,Nadeau L,Levesque L,Miller S,Poissant L,Tamblyn R

更新日期：2005-12-01 00:00:00

abstract：OBJECTIVE:This study aimed to describe the self-reported health status of the general adult U.S. population using 3 multi-attribute preference-based measures: the EQ-5D, Health Utilities Index Mark 2 (HUI2), and Mark 3 (HUI3). METHODS:We surveyed the general adult U.S. population using a probability sample with oversa...

journal_title：Medical care

authors： Luo N,Johnson JA,Shaw JW,Feeny D,Coons SJ

更新日期：2005-11-01 00:00:00

abstract：BACKGROUND:Risk adjustment is useful for adjusting health care payments based on patients' health status. OBJECTIVE:This work seeks to examine how well pharmacy- and diagnosis-based risk adjusters predict child health expenditures in Medicaid populations. RESEARCH DESIGN:We used 1994-1995 Medicaid claims files for al...

journal_title：Medical care

authors： Kuhlthau K,Ferris TG,Davis RB,Perrin JM,Iezzoni LI

更新日期：2005-11-01 00:00:00