abstract：:This study compared the utility of different health indicators in frail older people, as a component of a larger study of medical evaluations of 183 adult day care participants in five Maryland centers. Indices examined included: number of disease categories, number of active categories, number of severe categories, n...

journal_title：Journal of clinical epidemiology

authors： Cohen-Mansfield J,Pawlson G,Lipson S,Volpato S

更新日期：2001-11-01 00:00:00

abstract：:Nonresponse and methods of data collection could affect satisfaction measurement. The goal of this study was to estimate the impact of (1) nonresponse and (2) distribution method on evaluation of patient satisfaction in a mail-back study measuring patient opinion of medical and nursing care. The study was conducted in...

journal_title：Journal of clinical epidemiology

authors： Gasquet I,Falissard B,Ravaud P

更新日期：2001-11-01 00:00:00

abstract：:Time to revision is an important criterion describing the quality of implants in total joint surgery. Estimates of failure probabilities are required to inform a patient about the risk of suffering a reoperation. Also, regression models are used for comparing different prosthesis designs. Typically, patients dying bef...

journal_title：Journal of clinical epidemiology

authors： Schwarzer G,Schumacher M,Maurer TB,Ochsner PE

更新日期：2001-10-01 00:00:00

abstract：:The study assesses the reliability, validity and responsiveness of the UK version of the Seattle Angina Questionnaire (SAQ-UK). The instrument was anglicised and administered by self-completed postal questionnaire to 959 patients recruited from general practices in the North East of England. A total of 655 (68.3%) pat...

journal_title：Journal of clinical epidemiology

authors： Garratt AM,Hutchinson A,Russell I,Network for Evidence-Based Practice in Northern and Yorkshire (NEBPINY).

更新日期：2001-09-01 00:00:00

abstract：:Although CHF has been considered a risk factor for venous thromboembolism, this has not been directly studied. We hypothesized that congestive heart failure would increase the risk of venous thromboembolism in an outpatient population, and that this risk would increase as patients' ventricular function worsened. We co...

journal_title：Journal of clinical epidemiology

authors： Howell MD,Geraci JM,Knowlton AA

更新日期：2001-08-01 00:00:00

abstract：:To compare Charlson indices based on chart data and ICD-9 data for agreement overall and on rating specific comorbid conditions, and to compare mortality risks associated with these indices. Prospective cohort study. Six general medicine wards at Yale-New Haven Hospital. 524 consecutive patients who had no clinical ev...

journal_title：Journal of clinical epidemiology

authors： van Doorn C,Bogardus ST,Williams CS,Concato J,Towle VR,Inouye SK

更新日期：2001-07-01 00:00:00

abstract：:Although developed societies have undergone many profound changes during recent decades, including urbanization, increased traffic and aging of the populations, epidemiologic information on secular trends in profiles of injuries is limited. We investigated such trends in Finland by selecting from the National Hospital...

journal_title：Journal of clinical epidemiology

authors： Kannus P,Niemi S,Parkkari J,Palvanen M

更新日期：2001-06-01 00:00:00

abstract：:The aim of this study was to evaluate interrater and intermodality agreement in assessing health status using the Health Utilities Index. A random sample from a Dutch cohort of 14-year-old Very Low Birth Weight children and their parents were invited to participate in a face-to-face (n = 150) or telephone (n = 150) in...

journal_title：Journal of clinical epidemiology

authors： Verrips GH,Stuifbergen MC,den Ouden AL,Bonsel GJ,Gemke RJ,Paneth N,Verloove-Vanhorick SP

更新日期：2001-05-01 00:00:00

abstract：:To investigate reproductive maternal risk factors of intrapartum fetal asphyxia, we analyzed 556 women with singleton pregnancies complicated by intrapartum fetal asphyxia who gave birth at Kuopio University Hospital from January 1990 to December 1998. The general obstetric population (N=21746) was selected as the ref...

journal_title：Journal of clinical epidemiology

authors： Heinonen S,Saarikoski S

更新日期：2001-04-01 00:00:00

abstract：:To identify characteristics of certifying physicians and the deceased that are associated with errors in death certificate completion in Taiwan, we retrospectively reviewed 4123 systematically sampled death certificates issued in 1994. Multivariate analyses were used to assess the associations of various characteristi...

journal_title：Journal of clinical epidemiology

authors： Lu TH,Shau WY,Shih TP,Lee MC,Chou MC,Lin CK

更新日期：2001-03-01 00:00:00

abstract：:Antiretroviral therapy (ART) use was examined in a cohort of homosexual men infected with HIV-1 for long periods. Multivariate logistic regression models, stratified by clinical indication (below and above 500 CD4 cells/microl or prior AIDS), were used to determine predictors of ART naivete. Of the 673 men seen at vis...

journal_title：Journal of clinical epidemiology

authors： Jacobson LP,Gore ME,Strathdee SA,Phair JP,Riddler S,Detels R,Multicenter AIDS Cohort Study.

更新日期：2001-02-01 00:00:00

abstract：:A key component in the evaluation of efficacy of a vaccine to protect against disease caused by an antigenically diverse infectious pathogen in a preventative vaccine trial is assessing how vaccine-induced protection depends on genotypic and phenotypic variations of the exposing pathogen. This assessment is made by co...

journal_title：Journal of clinical epidemiology

authors： Gilbert P,Self S,Rao M,Naficy A,Clemens J

更新日期：2001-01-01 00:00:00

abstract：:Ecological studies may reduce the problem of confounding by indication; however, these studies introduce new biases not present in individual-level analyses. To study the potential for ecological variables to reduce confounding by indication, we used a large database of admissions for ruptured cerebral aneurysms to ev...

journal_title：Journal of clinical epidemiology

authors： Johnston SC

更新日期：2000-12-01 00:00:00

abstract：:In a clinical judgement analysis study, 27 general practitioners, 22 cardiologists, and 21 medical students assessed 40 case vignettes with regard to the probability of heart failure, in order to study the weights of different kinds of information (cues) measured by the regression coefficients in a multiple regression...

journal_title：Journal of clinical epidemiology

authors： Skånér Y,Bring J,Ullman B,Strender LE

更新日期：2000-11-01 00:00:00

abstract：:The objective of our study was to assess the applicability of using estimates of within-person variance (WPV) from reproducibility studies for a correction of blood pressure values in another study to improve the accuracy of the prevalence estimation of hypertension. Data were collected from two cross-sectional popula...

journal_title：Journal of clinical epidemiology

authors： Klungel OH,de Boer A,Paes AH,Nagelkerke NJ,Seidell JC,Bakker A

更新日期：2000-11-01 00:00:00

abstract：OBJECTIVES:To investigate whether the relationship between demographic and disease-related variables and disability is constant during the first five years of inflammatory polyarthritis (IP) and to identify the contribution from involvement of specific joint areas to overall disability. METHODS:684 patients referred t...

journal_title：Journal of clinical epidemiology

authors： Wiles N,Dunn G,Barrett E,Silman A,Symmons D

更新日期：2000-10-01 00:00:00

abstract：:We analyzed the 1986-1997 mortality in a cohort of 2065 residents of an Italian municipality which had been exposed to drinking water with a high content of inorganic selenium over a long period of time, and compared it with mortality in the remainder of the municipal population. Mortality from malignant neoplasms inc...

journal_title：Journal of clinical epidemiology

authors： Vinceti M,Nacci G,Rocchi E,Cassinadri T,Vivoli R,Marchesi C,Bergomi M

更新日期：2000-10-01 00:00:00

abstract：:The objective of this study was to assess the discriminative properties of the methods for diagnosing acute maxillary sinusitis (AMS) in unselected patients. The study design was a systematic review of evaluation studies identified by using Medline, by searching reference lists, by hand searches, and by contacting inv...

journal_title：Journal of clinical epidemiology

authors： Varonen H,Mäkelä M,Savolainen S,Läärä E,Hilden J

更新日期：2000-09-01 00:00:00

abstract：:Although the placebo in a clinical trial is often considered simply a baseline against which to evaluate the efficacy of a clinical intervention, there is evidence that the magnitude of placebo effect may be a critical factor in determining the results of a trial. This article examines the question of whether devices ...

journal_title：Journal of clinical epidemiology

authors： Kaptchuk TJ,Goldman P,Stone DA,Stason WB

更新日期：2000-08-01 00:00:00

abstract：:Reliability testing was conducted on a survey instrument for a genetic epidemiological study of Parkinson's disease (PD). Information on demographics, medical history, places of residence, and occupations was collected. The instrument was administered to 11 pairs of siblings discordant for PD and then re-administered ...

journal_title：Journal of clinical epidemiology

authors： Reider CR,Hubble JP

更新日期：2000-08-01 00:00:00

abstract：:The nature of variability in menstrual function has not been adequately described or quantified across the reproductive life span. This article evaluates the applicability of the bipartite model approach to the analysis of menstrual data and the relative importance of within-woman variability across the reproductive l...

journal_title：Journal of clinical epidemiology

authors： Harlow SD,Lin X,Ho MJ

更新日期：2000-07-01 00:00:00

abstract：:Breast cancer therapy is often followed by a decline in upper-body function. Women (303) diagnosed with stage I or II breast cancer were interviewed 5 and 21 months after surgery and their medical records were reviewed. Women with cardiopulmonary comorbidity had an odds ratio for decline at the 5-month interview of 2....

journal_title：Journal of clinical epidemiology

authors： Lash TL,Silliman RA

更新日期：2000-06-01 00:00:00

abstract：UNLABELLED:To systematically investigate location bias of controlled clinical trials in complementary/alternative medicine (CAM). METHODS:Literature searches were performed to identify systematic reviews and meta-analyses, which were used to retrieve controlled clinical trials. Trials were categorised by whether they ...

journal_title：Journal of clinical epidemiology

authors： Pittler MH,Abbot NC,Harkness EF,Ernst E

更新日期：2000-05-01 00:00:00

abstract：:Several studies show a relationship between abdominal obesity and cardiovascular diseases, partially mediated through an altered metabolism of dyslipidemia. The present study was aimed at testing the robustness of this association across three contrasted populations and at assessing the performances of abdominal obesi...

journal_title：Journal of clinical epidemiology

authors： Paccaud F,Schlüter-Fasmeyer V,Wietlisbach V,Bovet P

更新日期：2000-04-01 00:00:00

abstract：:The history of the application of statistical theory to the analysis of clinical trials is reviewed. The current orthodoxy is a somewhat illogical hybrid of the original theory of significance tests of Edgeworth, Karl Pearson, and Fisher, and the subsequent decision theory approach of Neyman, Egon Pearson, and Wald. T...

journal_title：Journal of clinical epidemiology

authors： Hill G,Forbes W,Kozak J,MacNeill I

更新日期：2000-03-01 00:00:00

abstract：:Dupuytren's disease or palmar fibromatosis is a common disabling hand disorder, mainly confined to Caucasians of northwestern European origin. The prevalence of Dupuytren's disease and possible risk factors related to the disease were evaluated in a random sample of 1297 males and 868 females, aged 46 to 74 years. Blo...

journal_title：Journal of clinical epidemiology

authors： Gudmundsson KG,Arngrímsson R,Sigfússon N,Björnsson A,Jónsson T

更新日期：2000-03-01 00:00:00

abstract：:This study aims to estimate the prevalence of Helicobacter pylori in Glasgow, and to provide a systematic analysis of factors associated with this prevalence. The data used are from a random population sample of 793 men and 838 women aged 25-64 years conducted in 1995. The prevalence is estimated to be 66% (95% confid...

journal_title：Journal of clinical epidemiology

authors： Woodward M,Morrison C,McColl K

更新日期：2000-02-01 00:00:00

abstract：:Pulmonary embolism (PE) causes substantial morbidity and mortality, but little information is available regarding recent secular trends for PE. This study determined trends for PE in adults ages 30 to 84 years in the Minneapolis-St. Paul metropolitan area from 1980 to 1995. The age-adjusted mortality rate for PE decre...

journal_title：Journal of clinical epidemiology

authors： Janke RM,McGovern PG,Folsom AR

更新日期：2000-01-01 00:00:00

abstract：:Sarcoidosis is a chronic granulomatous disorder of unknown cause, characterized by activation of T-lymphocytes and macrophages. A Case Control Etiologic Study of Sarcoidosis (ACCESS) is a multicenter study designed to determine the etiology of sarcoidosis. The study organization includes 10 Clinical Centers, a Clinica...

journal_title：Journal of clinical epidemiology

authors：

更新日期：1999-12-01 00:00:00

abstract：:Efficient use of cholesterol measurements to screen for coronary heart disease in the elderly is not well defined. The purpose of this report is to examine such screening based on national guidelines in a sample of older men. Since relations between cholesterol and coronary heart disease are better established in thos...

journal_title：Journal of clinical epidemiology

authors： Hakim AA,Curb JD,Burchfiel CM,Rodriguez BL,Sharp DS,Yano K,Abbott RD

更新日期：1999-12-01 00:00:00

abstract：:We analyzed data from outpatients with chronic low back pain (LBP) in the Veterans Health Study (n = 563) to examine the relationship between localized LBP intensity and radiating leg pain in assessing patient functional status, low back disability, and use of diagnostic imaging. Based on the localized LBP intensity, ...

journal_title：Journal of clinical epidemiology

authors： Ren XS,Selim AJ,Fincke G,Deyo RA,Linzer M,Lee A,Kazis L

更新日期：1999-11-01 00:00:00

abstract：:Moderate consumers of alcohol have lower mortality than either nondrinkers or heavy drinkers. This systematic review aimed to quantify the level of alcohol consumption (termed the nadir) at which the lowest mortality occurs. Twenty cohort studies reported analyses of all-cause mortality for at least three categories o...

journal_title：Journal of clinical epidemiology

authors： White IR

更新日期：1999-10-01 00:00:00

abstract：:Laparoscopic cholecystectomy was introduced to Western Australia in 1991 and has become the method of choice for this procedure, although there are concerns about complications, particularly bile duct injuries. Previous studies have investigated this problem but have not confirmed the accuracy of coded information. We...

journal_title：Journal of clinical epidemiology

authors： Valinsky LJ,Hockey RL,Hobbs MS,Fletcher DR,Pikora TJ,Parsons RW,Tan P

更新日期：1999-09-01 00:00:00

abstract：:Our objective was to describe distortion in outcome studies due to "frailty bias" or differential susceptibility to adverse health outcomes due to frailties but attributed to other factors. We linked an administrative database to survey data (n = 5934) containing functional, condition, and outcome measures. The diseas...

journal_title：Journal of clinical epidemiology

authors： Pressley JC,Patrick CH

更新日期：1999-08-01 00:00:00

abstract：:We performed analyses to examine the structure, validity, and responsiveness to change of the Marks Asthma Quality of Life Questionnaire (AQLQ), originally validated in Australia in a self-administered format, among 539 U.S. subjects with asthma. Subjects were interviewed twice by telephone over an 18-month period. Ba...

journal_title：Journal of clinical epidemiology

authors： Katz PP,Eisner MD,Henke J,Shiboski S,Yelin EH,Blanc PD

更新日期：1999-07-01 00:00:00

abstract：:Evaluating the incremental cost-effectiveness of a technology is critical to understanding the impact of its adoption. The purpose of this study was to evaluate, using a particular example, how the specific alternatives selected for a cost-effectiveness analysis may influence the results of the analysis. In this examp...

journal_title：Journal of clinical epidemiology

authors： Cantor SB,Ganiats TG

更新日期：1999-06-01 00:00:00

abstract：:For deaths during the first 13 years of follow-up of the Minnesota Colon Cancer Control Study, an expert committee using numerous medical documents, and a nosologist using only the death certificate independently determined whether colorectal cancer caused the death and, if not, whether the disease was present at deat...

journal_title：Journal of clinical epidemiology

authors： Ederer F,Geisser MS,Mongin SJ,Church TR,Mandel JS

更新日期：1999-05-01 00:00:00

abstract：:We studied the relationship between age at natural menopause and total mortality as well as mortality from ischemic heart disease in a cohort of 6182 California Seventh-Day Adventist women who reported a natural menopause. During follow-up from 1976 through 1988, there were 1831 deaths. A total of 308 deaths due to is...

journal_title：Journal of clinical epidemiology

authors： Jacobsen BK,Knutsen SF,Fraser GE

更新日期：1999-04-01 00:00:00

abstract：:To effectively evaluate medical literature, practicing physicians and medical researchers must understand the impact of statistical tests on research outcomes. Applying inefficient statistics not only increases the need for resources, but more importantly increases the probability of committing a Type I or Type II err...

journal_title：Journal of clinical epidemiology

authors： Bridge PD,Sawilowsky SS

更新日期：1999-03-01 00:00:00

abstract：:Clinimetrics and psychometrics, two accepted methods for developing multiitem health measurement scales, have fundamentally different aims and methods that have seldom been compared and never prospectively. The purpose of this study was to determine whether these two methodologies provided comparable scales in the dev...

journal_title：Journal of clinical epidemiology

authors： Marx RG,Bombardier C,Hogg-Johnson S,Wright JG

更新日期：1999-02-01 00:00:00