OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Medical Research Methodology is 40. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)

Article	Citations
Interrupted time series analysis using autoregressive integrated moving average (ARIMA) models: a guide for evaluating large-scale health interventions	237
Conducting proportional meta-analysis in different types of systematic reviews: a guide for synthesisers of evidence	190
COSMIN Risk of Bias tool to assess the quality of studies on reliability or measurement error of outcome measurement instruments: a Delphi study	183
IPDfromKM: reconstruct individual patient data from published Kaplan-Meier survival curves	179
How are systematic reviews of prevalence conducted? A methodological study	139
Social media as a recruitment platform for a nationwide online survey of COVID-19 knowledge, beliefs, and practices in the United States: methodology and feasibility analysis	137
Generation and evaluation of synthetic patient data	133
Assessing the quality of health research from an Indigenous perspective: the Aboriginal and Torres Strait Islander quality appraisal tool	127
Open science saves lives: lessons from the COVID-19 pandemic	114
Major adverse cardiovascular event definitions used in observational analysis of administrative databases: a systematic review	111
Semantic and cognitive tools to aid statistical science: replace confidence and significance by compatibility and surprise	103
COVID-19-related medical research: a meta-research and critical appraisal	93
Accuracy of random-forest-based imputation of missing data in the presence of non-normality, non-linearity, and interaction	82
Real-world data: a brief review of the methods, applications, challenges and opportunities	79
Joint analysis of duration of ventilation, length of intensive care, and mortality of COVID-19 patients: a multistate approach	79
Bayesian alternatives to null hypothesis significance testing in biomedical research: a non-technical introduction to Bayesian inference with JASP	78
Mediation analysis methods used in observational research: a scoping review and recommendations	75
A conceptual framework for prognostic research	69
Managing overlap of primary study results across systematic reviews: practical considerations for authors of overviews of reviews	65
Improving design choices in Delphi studies in medicine: the case of an exemplary physician multi-round panel study with 100% response	63
Coronavirus disease 2019 (COVID-19): an evidence map of medical literature	63
Protocol registration issues of systematic review and meta-analysis studies: a survey of global researchers	61
Conceptualising natural and quasi experiments in public health	60
Impact of the COVID-19 pandemic on publication dynamics and non-COVID-19 research production	58
Most published meta-regression analyses based on aggregate data suffer from methodological pitfalls: a meta-epidemiological study	55

A tutorial on methodological studies: the what, when, how and why	54
Methodological challenges of analysing COVID-19 data during the pandemic	54
Sample size calculation for prevalence studies using Scalex and ScalaR calculators	49
Going web or staying paper? The use of web-surveys among older people	47
An evaluation of DistillerSR’s machine learning-based prioritization tool for title/abstract screening – impact on reviewer-relevant outcomes	47
Application of machine learning in predicting hospital readmissions: a scoping review of the literature	45
Ensuring protocol compliance and data transparency in clinical trials using Blockchain smart contracts	45
Completeness of reporting of clinical prediction models developed using supervised machine learning: a systematic review	44
Facilitating harmonized data quality assessments. A data quality framework for observational health research data collections with software implementations in R	44
A scoping review of Q-methodology in healthcare research	44
Analysis of Bayesian posterior significance and effect size indices for the two-sample t-test to support reproducible medical research	44
Machine learning in medicine: a practical introduction to natural language processing	43
Directed acyclic graphs and causal thinking in clinical risk prediction modeling	42
Research methodology and characteristics of journal articles with original data, preprint articles and registered clinical trial protocols about COVID-19	41
A narrative review on the validity of electronic health record-based research in epidemiology	41
Epistemonikos: a comprehensive database of systematic reviews for health decision-making	40
Using a distribution-based approach and systematic review methods to derive minimum clinically important differences	40