Evaluation of a modified version of the Posttraumatic Growth Inventory-Short Form.

abstract：:Clinical Decision Support Systems (CDSS) provide aid in clinical decision making and therefore need to take into consideration human, data interactions, and cognitive functions of clinical decision makers. The objective of this paper is to introduce a high level reference model that is intended to be used as a foundat...

journal_title：BMC medical research methodology

authors： Zikos D,DeLellis N

更新日期：2018-11-16 00:00:00

abstract：BACKGROUND:Cluster randomised controlled trials (CRCTs) are frequently used in health service evaluation. Assuming an average cluster size, required sample sizes are readily computed for both binary and continuous outcomes, by estimating a design effect or inflation factor. However, where the number of clusters are fix...

journal_title：BMC medical research methodology

authors： Hemming K,Girling AJ,Sitch AJ,Marsh J,Lilford RJ

更新日期：2011-06-30 00:00:00

abstract：BACKGROUND:For practical reasons it is not easy to obtain fasting samples in large population health surveys. Non-fasting triglyceride (Tg) values are difficult to interpret. The authors compared the accuracy of statistically corrected non-fasting Tg values with true fasting values and estimated the misclassification o...

journal_title：BMC medical research methodology

authors： Sundvall J,Leiviskä J,Laatikainen T,Peltonen M,Salomaa V,Vanhala M,Korpi-Hyövälti E,Lauronen J,Alfthan G

更新日期：2011-05-10 00:00:00

abstract：BACKGROUND:The Public Population Project in Genomics (P3G) is an organisation that aims to promote collaboration between researchers in the field of population-based genomics. The main objectives of P3G are to encourage collaboration between researchers and biobankers, optimize study design, promote the harmonization o...

journal_title：BMC medical research methodology

authors： Bennett DA,Little J,Masson LF,Minelli C

更新日期：2011-10-05 00:00:00

abstract：BACKGROUND:Although in health services survey research we strive for a high response rate, this must be balanced against the need to recruit participants ethically and considerately, particularly in surveys with a sensitive nature. In survey research there are no established recommendations to guide recruitment approac...

journal_title：BMC medical research methodology

authors： Hunt KJ,Shlomo N,Addington-Hall J

更新日期：2013-01-11 00:00:00

abstract：BACKGROUND:Discrete Choice Experiments (DCEs) are increasingly used in studies in healthcare research but there is still little empirical evidence for the predictive value of these hypothetical situations in similar real life circumstances. The aim of this paper is to compare the stated preferences in a DCE and the acc...

journal_title：BMC medical research methodology

authors： Lambooij MS,Harmsen IA,Veldwijk J,de Melker H,Mollema L,van Weert YW,de Wit GA

更新日期：2015-03-12 00:00:00

abstract：BACKGROUND:The aim of this study was to examine the relationship between mortality and statin adherence using two different approaches to adherence measurement (summary versus repeated-measures). METHODS:A retrospective cohort study was conducted using administrative data from Saskatchewan, Canada between 1994 and 200...

journal_title：BMC medical research methodology

authors： Alsabbagh MW,Eurich D,Lix LM,Wilson TW,Blackburn DF

更新日期：2017-04-20 00:00:00

abstract：BACKGROUND:The longitudinal birth cohort study is the preferred design for studies of childhood health, particularly atopic disease. Still, prospective data collection depends on recollection of the medical history since the previous visit representing a potential recall-bias. We aimed to ascertain the quality of infor...

journal_title：BMC medical research methodology

authors： Vissing NH,Jensen SM,Bisgaard H

更新日期：2012-10-22 00:00:00

abstract：BACKGROUND:How overall physical activity relates to specific activities and how reported activity changes over time may influence interpretation of observed associations between physical activity and health. We examine the relationships between various physical activities self-reported at different times in a large coh...

journal_title：BMC medical research methodology

authors： Armstrong ME,Cairns BJ,Green J,Reeves GK,Beral V,Million Women Study Collaborators.

更新日期：2011-06-22 00:00:00

abstract：BACKGROUND:Interventions in occupational health often target worksites rather than individuals. The objective of this paper is to describe the (lack of) stability in units of analysis in occupational health and safety intervention projects directed toward worksites. METHODS:A case study approach is used to describe na...

journal_title：BMC medical research methodology

authors： Olsen O,Albertsen K,Nielsen ML,Poulsen KB,Gron SM,Brunnberg HL

更新日期：2008-06-13 00:00:00

abstract：BACKGROUND:Within cancer care, dynamic evaluations of the loss in expectation of life provides useful information to patients as well as physicians. The loss of lifetime function yields the conditional loss in expectation of life given survival up to a specific time point. Due to the inevitable censoring in time-to-eve...

journal_title：BMC medical research methodology

authors： Jakobsen LH,Andersson TM,Biccler JL,El-Galaly TC,Bøgsted M

更新日期：2019-01-28 00:00:00

abstract：BACKGROUND:The collection of individual-level pandemic (H1N1) 2009 influenza immunization data was considered important to facilitate optimal vaccine delivery and accurate assessment of vaccine coverage. These data are also critical for research aimed at evaluating the new vaccine's safety and effectiveness. Systems us...

journal_title：BMC medical research methodology

authors： Pereira JA,Quach S,Heidebrecht C,Foisy J,Quan S,Finkelstein M,Sikora CA,Bettinger JA,Buckeridge DL,McCarthy A,Deeks S,Kwong JC,Public Health Agency of Canada\/Canadian Institutes of Health Research Influenza Research Network Vacc

更新日期：2010-06-08 00:00:00

abstract：BACKGROUND:There is a recognised need to build primary care medication adherence services which are tailored to patients' needs. Continuous quality improvement of such services requires a regular working method of measuring adherence in order to monitor effectiveness. Self report has been considered the method of choic...

journal_title：BMC medical research methodology

authors： Garfield S,Clifford S,Eliasson L,Barber N,Willson A

更新日期：2011-11-03 00:00:00

abstract：BACKGROUND:It is widely recognised that the pursuit of sustainable development cannot be accomplished without addressing inequality, or observed differences between subgroups of a population. Monitoring health inequalities allows for the identification of health topics where major group differences exist, dimensions of...

journal_title：BMC medical research methodology

authors： Hosseinpoor AR,Nambiar D,Schlotheuber A,Reidpath D,Ross Z

更新日期：2016-10-19 00:00:00

abstract：BACKGROUND:Researchers and policy makers have determined that accounting for productivity costs, or "indirect costs," may be as important as including direct medical expenditures when evaluating the societal value of health interventions. These costs are also important when estimating the global burden of disease. The ...

journal_title：BMC medical research methodology

authors： Menzin J,Marton JP,Menzin JA,Willke RJ,Woodward RM,Federico V

更新日期：2012-06-25 00:00:00

abstract：BACKGROUND:The choice between paper data collection methods and electronic data collection (EDC) methods has become a key question for clinical researchers. There remains a need to examine potential benefits, efficiencies, and innovations associated with an EDC system in a multi-center medical record review study. MET...

journal_title：BMC medical research methodology

authors： Thwin SS,Clough-Gorr KM,McCarty MC,Lash TL,Alford SH,Buist DS,Enger SM,Field TS,Frost F,Wei F,Silliman RA

更新日期：2007-06-18 00:00:00

abstract：BACKGROUND:In low-income settings, key outcomes such as biomarkers or clinical assessments are often missing for a substantial proportion of the study population. The aim of this study was to assess the extent to which Heckman-type selection models can create unbiased estimates in such settings. METHODS:We introduce t...

journal_title：BMC medical research methodology

authors： Koné S,Bonfoh B,Dao D,Koné I,Fink G

更新日期：2019-12-09 00:00:00

abstract：BACKGROUND:Multiple Imputation as usually implemented assumes that data are Missing At Random (MAR), meaning that the underlying missing data mechanism, given the observed data, is independent of the unobserved data. To explore the sensitivity of the inferences to departures from the MAR assumption, we applied the meth...

journal_title：BMC medical research methodology

authors： Héraud-Bousquet V,Larsen C,Carpenter J,Desenclos JC,Le Strat Y

更新日期：2012-06-08 00:00:00

abstract：BACKGROUND:Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's disease, is a rare disease with extreme between-subject variability, especially with respect to rate of disease progression. This makes modelling a subject's disease progression, which is measured by the ALS Functional Rating Scale (ALSFRS), ver...

journal_title：BMC medical research methodology

authors： Karanevich AG,Statland JM,Gajewski BJ,He J

更新日期：2018-02-06 00:00:00

abstract：BACKGROUND:Mean arterial pressure (MAP), bispectral index (BIS), and minimum alveolar concentration (MAC) represent valuable, yet dynamic intraoperative monitoring variables. They provide information related to poor outcomes when considered together, however their collective behavior across time has not been characteri...

journal_title：BMC medical research methodology

authors： Schnetz MP,Hochheiser HS,Danks DJ,Landsittel DP,Vogt KM,Ibinson JW,Whitehurst SL,McDermott SP,Duque MG,Kaynar AM

更新日期：2019-01-14 00:00:00

abstract：BACKGROUND:Primary-care based randomized controlled trials (RCTs) build an important evidence base for general practice but little evidence exists about barriers to recruitment which often hamper such trials. We investigated the issues that impeded and facilitated recruitment to a clinical trial in general practice. M...

journal_title：BMC medical research methodology

authors： Foster JM,Sawyer SM,Smith L,Reddel HK,Usherwood T

更新日期：2015-03-12 00:00:00

abstract：BACKGROUND:Given an observed test statistic and its degrees of freedom, one may compute the observed P value with most statistical packages. It is unknown to what extent test statistics and P values are congruent in published medical papers. METHODS:We checked the congruence of statistical results reported in all the ...

journal_title：BMC medical research methodology

authors： García-Berthou E,Alcaraz C

更新日期：2004-05-28 00:00:00

abstract：BACKGROUND:Few studies have compared methods to correct for retest effects or practice effects in settings where an acute event could influence test performance, such as major surgery. Our goal in this study was to evaluate the use of different methods to correct for the effects of practice or retest on repeated test a...

journal_title：BMC medical research methodology

authors： Racine AM,Gou Y,Fong TG,Marcantonio ER,Schmitt EM,Travison TG,Inouye SK,Jones RN

更新日期：2018-07-03 00:00:00

abstract：BACKGROUND:To assess cross-cultural validity between Dutch and English versions of the FVQ_CYP, a patient-reported outcome measure developed in the United Kingdom (UK) for children and adolescents with (severe) visual impairment or blindness (VI for brevity) to measure functional vision. METHODS:The 36-item FVQ_CYP wa...

journal_title：BMC medical research methodology

authors： Elsman EBM,Tadić V,Peeters CFW,van Rens GHMB,Rahi JS,van Nispen RMA

更新日期：2019-12-03 00:00:00

abstract：BACKGROUND:The Computer Adaptive Test version of the Community Reintegration of Injured Service Members measure (CRIS-CAT) consists of three scales measuring Extent of, Perceived Limitations in, and Satisfaction with community integration. The CRIS-CAT was developed using item response theory methods. The purposes of t...

journal_title：BMC medical research methodology

authors： Resnik L,Borgia M,Ni P,Pirraglia PA,Jette A

更新日期：2012-09-17 00:00:00

abstract：BACKGROUND:Available methods for the joint modelling of longitudinal and time-to-event outcomes have typically only allowed for a single longitudinal outcome and a solitary event time. In practice, clinical studies are likely to record multiple longitudinal outcomes. Incorporating all sources of data will improve the p...

journal_title：BMC medical research methodology

authors： Hickey GL,Philipson P,Jorgensen A,Kolamunnage-Dona R

更新日期：2016-09-07 00:00:00

abstract：BACKGROUND:Systematic reviewers seek to comprehensively search for relevant studies and summarize these to present the most valid estimate of intervention effectiveness. The more resources searched, the higher the yield, and thus time and costs required to conduct a systematic review. While there is an abundance of evi...

journal_title：BMC medical research methodology

authors： Crumley ET,Wiebe N,Cramer K,Klassen TP,Hartling L

更新日期：2005-08-10 00:00:00

abstract：BACKGROUND:Various papers have addressed pros and cons of the stepped wedge cluster randomized trial design (SWD). However, some issues have not or only limitedly been addressed. Our aim was to provide a comprehensive overview of all merits and limitations of the SWD to assist researchers, reviewers and medical ethics ...

journal_title：BMC medical research methodology

authors： de Hoop E,van der Tweel I,van der Graaf R,Moons KG,van Delden JJ,Reitsma JB,Koffijberg H

更新日期：2015-10-30 00:00:00

abstract：BACKGROUND:In many studies the information of patients who are dying in the hospital is censored when examining the change in length of hospital stay (cLOS) due to hospital-acquired infections (HIs). While appropriate estimators of cLOS are available in literature, the existence of the bias due to censoring of deaths w...

journal_title：BMC medical research methodology

authors： Rahman S,von Cube M,Schumacher M,Wolkewitz M

更新日期：2018-05-30 00:00:00

abstract：BACKGROUND:There are detailed reviews about different recruitment strategies, but not with regard to differences between recruitment of hospital-based versus office-based physicians. Within this study, the two different recruitment schemes are compared. Advantages and disadvantages of different ways of recruitment in r...

journal_title：BMC medical research methodology

authors： Zeissig SR,Weyer-Elberich V,Emrich K,Binder H,Fischbeck S,Imruck BH,Friedrich-Mai P,Beutel ME,Blettner M

更新日期：2017-11-22 00:00:00