Citation Impact
3.031 - 2-year Impact Factor
4.837 - 5-year Impact Factor
1.741 - Source Normalized Impact per Paper (SNIP)
1.614 - SCImago Journal Rank (SJR)
Usage
1,647,844 Downloads
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While conducting systemic reviews, searching for ongoing or unpublished trials is critical to address publication bias. As of April 2019, records of ongoing or unpublished randomized and/or quasi-randomized co...
Citation: BMC Medical Research Methodology 2020 20:200
Missing data are common in statistical analyses, and imputation methods based on random forests (RF) are becoming popular for handling missing data especially in biomedical research. Unlike standard imputation...
Citation: BMC Medical Research Methodology 2020 20:199
Randomised controlled trials (RCTs) are the gold standard for evidence-based practice. However, RCTs can have limitations. For example, translation of findings into practice can be limited by design features, ...
Citation: BMC Medical Research Methodology 2020 20:198
Under competing risks, the commonly used sub-distribution hazard ratio (SHR) is not easy to interpret clinically and is valid only under the proportional sub-distribution hazard (SDH) assumption. This paper intro...
Citation: BMC Medical Research Methodology 2020 20:197
The number of confirmed COVID-19 cases divided by population size is used as a coarse measurement for the burden of disease in a population. However, this fraction depends heavily on the sampling intensity and...
Citation: BMC Medical Research Methodology 2020 20:196
Controlling unobserved confounding still remains a great challenge in observational studies, and a series of strict assumptions of the existing methods usually may be violated in practice. Therefore, it is urg...
Citation: BMC Medical Research Methodology 2020 20:195
Phase II clinical trials primarily aim to find the optimal dose and investigate the relationship between dose and efficacy relative to standard of care (control). Therefore, before moving forward to a phase II...
Citation: BMC Medical Research Methodology 2020 20:194
Two-dimensional personalized medicine (2-PM) models are tools for measuring individual benefits of medical treatments for chronic diseases which have potential applications in personalized medicine. These mode...
Citation: BMC Medical Research Methodology 2020 20:193
Although the WHO Trial Registration Data Set (TRDS) has been published for many years, the quality of clinical trial registrations with traditional Chinese medicine (TCM) is still not satisfactory, especially ...
Citation: BMC Medical Research Methodology 2020 20:192
Vaccine clinical studies typically provide time-resolved data on adaptive response read-outs in response to the administration of that particular vaccine to a cohort of individuals. However, modeling such data...
Citation: BMC Medical Research Methodology 2020 20:191
In pairwise meta-analysis, the contribution of each study to the pooled estimate is given by its weight, which is based on the inverse variance of the estimate from that study. For network meta-analysis (NMA),...
Citation: BMC Medical Research Methodology 2020 20:190
Most researchers in Uzbekistan prefer to publish their reports in journals of their home country. Moreover, the proportion of healthcare practitioners who prefer to use these national sources of information al...
Citation: BMC Medical Research Methodology 2020 20:189
Evaluating women’s satisfaction should reflect the entire maternity care experience (antenatal, intrapartum and postnatal). The Women’s Experience Maternity Care Scale (WEMCS) questionnaire enables this assess...
Citation: BMC Medical Research Methodology 2020 20:188
With declining response proportions in population-based research the importance of evaluating the effectiveness of measures aimed at improving response increases. We investigated whether an additional flyer wi...
Citation: BMC Medical Research Methodology 2020 20:187
An amendment to this paper has been published and can be accessed via the original article.
Citation: BMC Medical Research Methodology 2020 20:186
Within routinely collected health data, missing data for an individual might provide useful information in itself. This occurs, for example, in the case of electronic health records, where the presence or abse...
Citation: BMC Medical Research Methodology 2020 20:185
Network meta-analysis synthesises data from a number of clinical trials in order to assess the comparative efficacy of multiple healthcare interventions in similar patient populations. In situations where clin...
Citation: BMC Medical Research Methodology 2020 20:184
Population estimates of alcohol consumption vary widely among samples of Aboriginal and Torres Strait Islander (Indigenous) Australians. Some of this difference may relate to non-representative sampling. In so...
Citation: BMC Medical Research Methodology 2020 20:183
To accurately predict the response to treatment, we need a stable and effective risk score that can be calculated from patient characteristics. When we evaluate such risks from time-to-event data with right-ce...
Citation: BMC Medical Research Methodology 2020 20:182
Although there is trial evidence that complex interventions are effective for the self-management of heart failure, little evidence supports their effectiveness in routine practice. We used Social Practice The...
Citation: BMC Medical Research Methodology 2020 20:181
Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in ...
Citation: BMC Medical Research Methodology 2020 20:180
In epidemiology, causal inference and prediction modeling methodologies have been historically distinct. Directed Acyclic Graphs (DAGs) are used to model a priori causal assumptions and inform variable selecti...
Citation: BMC Medical Research Methodology 2020 20:179
Linking survey data to administrative records requires informed participant consent. When linkage includes child data, this includes parental and child consent. Little is known of the potential impacts of intr...
Citation: BMC Medical Research Methodology 2020 20:178
Since the beginning of the COVID-19 outbreak in December 2019, a substantial body of COVID-19 medical literature has been generated. As of June 2020, gaps and longitudinal trends in the COVID-19 medical litera...
Citation: BMC Medical Research Methodology 2020 20:177
The capacity of the current molecular testing convention does not allow high-throughput and community level scans of COVID-19 infections. The diameter in the current paradigm of shallow tracing is unlikely to ...
Citation: BMC Medical Research Methodology 2020 20:176
Examining residuals is a crucial step in statistical analysis to identify the discrepancies between models and data, and assess the overall model goodness-of-fit. In diagnosing normal linear regression models,...
Citation: BMC Medical Research Methodology 2020 20:175
Text messaging systems are used to collect data on symptom prevalence. Using a text messaging system, we evaluated the effects of question load, question frequency, and financial incentive on response rates an...
Citation: BMC Medical Research Methodology 2020 20:174
Although the benefits of using methodological frameworks are increasingly recognised, to date, there is no formal definition of what constitutes a ‘methodological framework’, nor is there any published guidanc...
Citation: BMC Medical Research Methodology 2020 20:173
Prognostic research has many important purposes, including (i) describing the natural history and clinical course of health conditions, (ii) investigating variables associated with health outcomes of interest,...
Citation: BMC Medical Research Methodology 2020 20:172
Machine learning approaches have become increasingly popular modeling techniques, relying on data-driven heuristics to arrive at its solutions. Recent comparisons between these algorithms and traditional stati...
Citation: BMC Medical Research Methodology 2020 20:171
When data are collected subject to a detection limit, observations below the detection limit may be considered censored. In addition, the domain of such observations may be restricted; for example, values may ...
Citation: BMC Medical Research Methodology 2020 20:170
A key component of the implementation process is identifying potential barriers and facilitators that need to be addressed. The Theoretical Domains Framework (TDF) is one of the most commonly used frameworks f...
Citation: BMC Medical Research Methodology 2020 20:169
Causal effect estimation with observational data is subject to bias due to confounding, which is often controlled for using propensity scores. One unresolved issue in propensity score estimation is how to hand...
Citation: BMC Medical Research Methodology 2020 20:168
In medical research and practice, the p-value is arguably the most often used statistic and yet it is widely misconstrued as the probability of the type I error, which comes with serious consequences. This misund...
Citation: BMC Medical Research Methodology 2020 20:167
In a cross-sectional stepped-wedge trial with unequal cluster sizes, attained power in the trial depends on the realized allocation of the clusters. This attained power may differ from the expected power calcu...
Citation: BMC Medical Research Methodology 2020 20:166
Platform trials allow adding new experimental treatments to an on-going trial. This feature is attractive to practitioners due to improved efficiency. Nevertheless, the operating characteristics of a trial tha...
Citation: BMC Medical Research Methodology 2020 20:165
Individual clinical trials and cohort studies are a useful source of data, often under-utilised once a study has ended. Pooling data from multiple sources could increase sample sizes and allow for further inve...
Citation: BMC Medical Research Methodology 2020 20:164
High response rates are essential when questionnaires are used within research, as representativeness can affect the validity of studies and the ability to generalise the findings to a wider population.
Citation: BMC Medical Research Methodology 2020 20:163
Awareness of model-based designs for dose-finding studies such as the Continual Reassessment Method (CRM) is now becoming more commonplace amongst clinicians, statisticians and trial management staff. In some ...
Citation: BMC Medical Research Methodology 2020 20:162
The research community reacted rapidly to the emergence of COVID-19. We aimed to assess characteristics of journal articles, preprint articles, and registered trial protocols about COVID-19 and its causal agen...
Citation: BMC Medical Research Methodology 2020 20:161
Clinical practice guidelines have become increasingly widely used to guide quality improvement of clinical practice. Qualitative research may be a useful way to improve the quality and implementation of guidel...
Citation: BMC Medical Research Methodology 2020 20:160
We aimed to assess the feasibility of using multiple technologies to recruit and conduct cognitive interviews among young people across the United States to test items measuring sexual and reproductive empower...
Citation: BMC Medical Research Methodology 2020 20:159
This research aims to explore an identified gap in implementation science methodology, that is, how to assess context in implementation research. Context is among the strongest influences on implementation suc...
Citation: BMC Medical Research Methodology 2020 20:158
The inclusion of ‘seldom heard’ groups in health and social care research is increasingly seen as important on scientific, policy and ethical grounds. British South Asians, the largest minority ethnic group in...
Citation: BMC Medical Research Methodology 2020 20:157
A proper application of the Delphi technique is essential for obtaining valid research results. Medical researchers regularly use Delphi studies, but reports often lack detailed information on methodology and ...
Citation: BMC Medical Research Methodology 2020 20:156
Selection and selection bias are terms that lack consistent definitions and have varying meaning and usage across disciplines. There is also confusion in current definitions between underlying mechanisms that ...
Citation: BMC Medical Research Methodology 2020 20:155
Studies of agreement examine the distance between readings made by different devices or observers measuring the same quantity. If the values generated by each device are close together most of the time then we...
Citation: BMC Medical Research Methodology 2020 20:154
It is important to evaluate fidelity of delivery and engagement during feasibility trials. However, there is little guidance on how to systematically develop strategies to improve implementation if problems ar...
Citation: BMC Medical Research Methodology 2020 20:153
In meta-analyses of a binary outcome, double zero events in some studies cause a critical methodology problem. The generalized linear mixed model (GLMM) has been proposed as a valid statistical tool for poolin...
Citation: BMC Medical Research Methodology 2020 20:152
At times of increasing pressure on emergency departments, and the need for research into different models of service delivery, little is known about how to recruit patients for qualitative research in emergenc...
Citation: BMC Medical Research Methodology 2020 20:151
Citation Impact
3.031 - 2-year Impact Factor
4.837 - 5-year Impact Factor
1.741 - Source Normalized Impact per Paper (SNIP)
1.614 - SCImago Journal Rank (SJR)
Usage
1,647,844 Downloads
2,916 Altmetric mentions