Search Results - "BMC medical research methodology"

Systematic review or scoping review? Guidance for authors when choosing between a systematic or scoping review approach by Munn, Zachary, Peters, Micah D J, Stern, Cindy, Tufanaru, Catalin, McArthur, Alexa, Aromataris, Edoardo

“…Scoping reviews are a relatively new approach to evidence synthesis and currently there exists little guidance regarding the decision to choose between a…”
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Characterising and justifying sample size sufficiency in interview-based studies: systematic analysis of qualitative health research over a 15-year period by Vasileiou, Konstantina, Barnett, Julie, Thorpe, Susan, Young, Terry

“…Choosing a suitable sample size in qualitative research is an area of conceptual debate and practical uncertainty. That sample size principles, guidelines and…”
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Machine learning in medicine: a practical introduction by Sidey-Gibbons, Jenni A M, Sidey-Gibbons, Chris J

“…Following visible successes on a wide range of predictive tasks, machine learning techniques are attracting substantial interest from medical researchers and…”
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When and how should multiple imputation be used for handling missing data in randomised clinical trials - a practical guide with flowcharts by Jakobsen, Janus Christian, Gluud, Christian, Wetterslev, Jørn, Winkel, Per

“…Missing data may seriously compromise inferences from randomised clinical trials, especially if missing data are not handled appropriately. The potential bias…”
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DeepSurv: personalized treatment recommender system using a Cox proportional hazards deep neural network by Katzman, Jared L, Shaham, Uri, Cloninger, Alexander, Bates, Jonathan, Jiang, Tingting, Kluger, Yuval

“…Medical practitioners use survival models to explore and understand the relationships between patients' covariates (e.g. clinical and genetic features) and the…”
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Conducting proportional meta-analysis in different types of systematic reviews: a guide for synthesisers of evidence by Barker, Timothy Hugh, Migliavaca, Celina Borges, Stein, Cinara, Colpani, Verônica, Falavigna, Maicon, Aromataris, Edoardo, Munn, Zachary

“…Abstract Background Single group data present unique challenges for synthesises of evidence. Proportional meta-analysis is becoming an increasingly common…”
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Interrupted time series analysis using autoregressive integrated moving average (ARIMA) models: a guide for evaluating large-scale health interventions by Schaffer, Andrea L, Dobbins, Timothy A, Pearson, Sallie-Anne

“…Interrupted time series analysis is increasingly used to evaluate the impact of large-scale health interventions. While segmented regression is a common…”
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IPDfromKM: reconstruct individual patient data from published Kaplan-Meier survival curves by Liu, Na, Zhou, Yanhong, Lee, J Jack

“…When applying secondary analysis on published survival data, it is critical to obtain each patient's raw data, because the individual patient data (IPD)…”
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Attempting rigour and replicability in thematic analysis of qualitative research data; a case study of codebook development by Roberts, Kate, Dowell, Anthony, Nie, Jing-Bao

“…Navigating the world of qualitative thematic analysis can be challenging. This is compounded by the fact that detailed descriptions of methods are often…”
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COSMIN Risk of Bias tool to assess the quality of studies on reliability or measurement error of outcome measurement instruments: a Delphi study by Mokkink, L B, Boers, M, van der Vleuten, C P M, Bouter, L M, Alonso, J, Patrick, D L, de Vet, H C W, Terwee, C B

“…Scores on an outcome measurement instrument depend on the type and settings of the instrument used, how instructions are given to patients, how professionals…”
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What kind of systematic review should I conduct? A proposed typology and guidance for systematic reviewers in the medical and health sciences by Munn, Zachary, Stern, Cindy, Aromataris, Edoardo, Lockwood, Craig, Jordan, Zoe

“…Systematic reviews have been considered as the pillar on which evidence-based healthcare rests. Systematic review methodology has evolved and been modified…”
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Trial Sequential Analysis in systematic reviews with meta-analysis by Wetterslev, Jørn, Jakobsen, Janus Christian, Gluud, Christian

“…Most meta-analyses in systematic reviews, including Cochrane ones, do not have sufficient statistical power to detect or refute even large intervention…”
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Estimating the sample mean and standard deviation from the sample size, median, range and/or interquartile range by Wan, Xiang, Wang, Wenqian, Liu, Jiming, Tong, Tiejun

“…In systematic reviews and meta-analysis, researchers often pool the results of the sample mean and standard deviation from a set of similar clinical trials. A…”
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A scoping review on the conduct and reporting of scoping reviews by Tricco, Andrea C, Lillie, Erin, Zarin, Wasifa, O'Brien, Kelly, Colquhoun, Heather, Kastner, Monika, Levac, Danielle, Ng, Carmen, Sharpe, Jane Pearson, Wilson, Katherine, Kenny, Meghan, Warren, Rachel, Wilson, Charlotte, Stelfox, Henry T, Straus, Sharon E

“…Scoping reviews are used to identify knowledge gaps, set research agendas, and identify implications for decision-making. The conduct and reporting of scoping…”
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A review of spline function procedures in R by Perperoglou, Aris, Sauerbrei, Willi, Abrahamowicz, Michal, Schmid, Matthias

“…With progress on both the theoretical and the computational fronts the use of spline modelling has become an established tool in statistical regression…”
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Major adverse cardiovascular event definitions used in observational analysis of administrative databases: a systematic review by Bosco, Elliott, Hsueh, Leon, McConeghy, Kevin W, Gravenstein, Stefan, Saade, Elie

“…Abstract Background Major adverse cardiovascular events (MACE) are increasingly used as composite outcomes in randomized controlled trials (RCTs) and…”
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Ranking treatments in frequentist network meta-analysis works without resampling methods by Rücker, Gerta, Schwarzer, Guido

“…Network meta-analysis is used to compare three or more treatments for the same condition. Within a Bayesian framework, for each treatment the probability of…”
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Comparing performance between log-binomial and robust Poisson regression models for estimating risk ratios under model misspecification by Chen, Wansu, Qian, Lei, Shi, Jiaxiao, Franklin, Meredith

“…Log-binomial and robust (modified) Poisson regression models are popular approaches to estimate risk ratios for binary response variables. Previous studies…”
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Consolidated criteria for strengthening reporting of health research involving indigenous peoples: the CONSIDER statement by Huria, Tania, Palmer, Suetonia C, Pitama, Suzanne, Beckert, Lutz, Lacey, Cameron, Ewen, Shaun, Smith, Linda Tuhiwai

“…Research reporting guidelines are increasingly commonplace and shown to improve the quality of published health research and health outcomes. Despite severe…”
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Single screening versus conventional double screening for study selection in systematic reviews: a methodological systematic review by Waffenschmidt, Siw, Knelangen, Marco, Sieben, Wiebke, Bühn, Stefanie, Pieper, Dawid

“…Stringent requirements exist regarding the transparency of the study selection process and the reliability of results. A 2-step selection process is generally…”
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