BMC Medical Research Methodology
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4.62
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2,661
Papers 2,583
1 page of 259 pages (2,583 results)
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#1Solveig Elisabeth Hausken-Sutter (University of Gothenburg)H-Index: 1
#2Astrid Schubring (University of Gothenburg)H-Index: 8
Last. Natalie Barker-Ruchti (RMIT: RMIT University)H-Index: 14
view all 5 authors...
BACKGROUND The Oslo Sport Trauma Research Centre Questionnaire on Health Problems (OSTRC-H) has become a popular tool to monitor health status in athletes. Originally developed for adult athletes, the tool is today also being used in adolescent athletes. However, little is known on the suitability of the questionnaire for the adolescent age group and the methodological implications of applying the tool to prospectively monitor illness and injury. To address this gap in methodological knowledge, ...
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#1Fabian Schwendinger (University of Basel)
#2Jonathan R. Wagner (University of Basel)H-Index: 11
Last. Raphael Knaier (BWH: Brigham and Women's Hospital)
view all 5 authors...
Background null For valid accelerometer-assessed physical activity (PA) data, several methodological aspects should be considered. We aimed to 1) visualize the applicability of absolute accelerometer cut-offs to classify PA intensity, 2) verify recommendations to measure PA over 7 days by examining inter-day variability and reactivity, 3) examine seasonal differences in PA, and 4) recommend during which 10 h day period accelerometers should be worn to capture the most PA in patients with heart f...
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#1Quoc Dinh Nguyen (University of Montreal)H-Index: 4
#1Quoc Dinh Nguyen (University of Montreal)H-Index: 6
Last. Christina Wolfson (MUHC: McGill University Health Centre)H-Index: 61
view all 9 authors...
BACKGROUND Not all research findings are translated to clinical practice. Reasons for lack of applicability are varied, and multiple frameworks and criteria exist to appraise the general applicability of epidemiological and clinical research. In this two-part study, we identify, map, and synthesize frameworks and criteria; we develop a framework to assist clinicians to appraise applicability specifically from a clinical perspective. METHODS We conducted a literature search in PubMed and Embase t...
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#1Ann-Marie MallonH-Index: 31
#2Dieter A. Häring (Novartis)H-Index: 13
view all 25 authors...
Novartis and the University of Oxford’s Big Data Institute (BDI) have established a research alliance with the aim to improve health care and drug development by making it more efficient and targeted. Using a combination of the latest statistical machine learning technology with an innovative IT platform developed to manage large volumes of anonymised data from numerous data sources and types we plan to identify novel patterns with clinical relevance which cannot be detected by humans alone to i...
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#1Ji Soo Kim (JHU: Johns Hopkins University)H-Index: 2
#2Ami A. Shah (Johns Hopkins Medicine)H-Index: 25
Last. Scott L. Zeger (JHU: Johns Hopkins University)H-Index: 103
view all 4 authors...
BACKGROUND Scleroderma is a serious chronic autoimmune disease in which a patient's disease state manifests in several irregularly spaced longitudinal measures of lung, heart, skin, and other organ systems. Threshold crossings of pulmonary and cardiac measures indicate potentially life-threatening key clinical events including interstitial lung disease (ILD), cardiomyopathy, and pulmonary hypertension (PH). The statistical challenge is to accurately and precisely predict these events by using al...
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Last. Lin Song (CQMU: Chongqing Medical University)H-Index: 3
view all 6 authors...
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#1Nicholas Siame Adam (UNIMA: University of Malawi)
#2Halima S. Twabi (UNIMA: University of Malawi)H-Index: 1
Last. Samuel Manda (UP: University of Pretoria)H-Index: 23
view all 3 authors...
Background null Multilevel logistic regression models are widely used in health sciences research to account for clustering in multilevel data when estimating effects on subject binary outcomes of individual-level and cluster-level covariates. Several measures for quantifying between-cluster heterogeneity have been proposed. This study compared the performance of between-cluster variance based heterogeneity measures (the Intra-class Correlation Coefficient (ICC) and the Median Odds Ratio (MOR)),...
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#1Patrick Hennrich (Heidelberg University)H-Index: 2
#2Christine Arnold (Heidelberg University)
Last. Michel Wensing (Heidelberg University)H-Index: 85
view all 3 authors...
BACKGROUND Participation of general practitioners is crucial for health care studies. However, recruiting them is an ongoing challenge and participation rates of general practitioners around the globe are often low. One feasible and cost-efficient approach to potentially enhance participation rates among general practitioners are personalized invitation letters, since they may increase one's attention to and appreciation of a study. Still, evidence whether this method actually affects participat...
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#1Nomtha Bell-MandlaH-Index: 3
#2Rosa Sloot (SU: Stellenbosch University)
Last. Peter BockH-Index: 16
view all 10 authors...
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#1Roland Büchter (UW/H: Witten/Herdecke University)H-Index: 2
#2Alina Weise (UW/H: Witten/Herdecke University)H-Index: 1
Last. Dawid Pieper (UW/H: Witten/Herdecke University)H-Index: 29
view all 3 authors...
Previous research on data extraction methods in systematic reviews has focused on single aspects of the process. We aimed to provide a deeper insight into these methods by analysing a current sample of reviews. We included systematic reviews of health interventions in humans published in English. We analysed 75 Cochrane reviews from May and June 2020 and a random sample of non-Cochrane reviews published in the same period and retrieved from Medline. We linked reviews with protocols and study reg...
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