OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Medical Research Methodology is 35. 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 2021-02-01 to 2025-02-01.)

Article	Citations
The Preventiometer - reliability of a cardiovascular multi-device measurement platform and its measurement agreement with a cohort study	338
Psychometric validation techniques applied to the IND-VFQ-33 visual function questionnaire: the Hyderabad ocular morbidity in the elderly study (HOMES)	310
Assessment of the E-value in the presence of bias amplification: a simulation study	305
Understanding facilitators of research participation among adults with self-reported chronic pain – a survey examining hypothetical research participation	218
Regression models for interval censored data using parametric pseudo-observations	165
Tailored approach to participant recruitment and retention to maximize health equity in pediatric cancer research	136
Adjusting for outcome risk factors in immigrant datasets: total or direct effects?	135
Development of a diagnostic predictive model for determining child stunting in Malawi: a comparative analysis of variable selection approaches	94
Dynamic prediction based on variability of a longitudinal biomarker	92
The proper application of logistic regression model in complex survey data: a systematic review	88
Clinical systematic reviews – a brief overview	77
Which test for crossing survival curves? A user’s guideline	75
Outbreaks of publications about emerging infectious diseases: the case of SARS-CoV-2 and Zika virus	69
A data-driven pipeline to extract potential adverse drug reactions through prescription, procedures and medical diagnoses analysis: application to a cohort study of 2,010 patients taking hydroxychloro	68
crossnma: An R package to synthesize cross-design evidence and cross-format data using network meta-analysis and network meta-regression	67
Do authors of systematic reviews of epidemiological observational studies assess the methodologies of the included primary studies? An empirical examination of methodological tool use in the literatur	64
Prognostic score-based model averaging approach for propensity score estimation	64
Immortal time bias for life-long conditions in retrospective observational studies using electronic health records	60
Spatial data analysis of malnutrition among children under-five years in Ethiopia	58
Impact of different unconditional monetary incentives on survey response rates in men with prostate cancer: a 2-arm randomised trial	57
Informed Bayesian survival analysis	57
Using electronic health records to inform trial feasibility in a rare autoimmune blistering skin disease in England	53
A clinical phase I dose-finding design with adaptive shrinking boundaries for drug combination trials	50
Dementia risk prediction in individuals with mild cognitive impairment: a comparison of Cox regression and machine learning models	48
An ego-centred approach for the evaluation of spatial effects on health in urban areas based on parametric semi-variogram models: concept and validation	45

Better performance for right-skewed data using an alternative gamma model	44
An improved method for the effect estimation of the intermediate event on the outcome based on the susceptible pre-identification	41
Investigating factors affecting the interval between a burn and the start of treatment using data mining methods and logistic regression	41
BivRec: an R package for the nonparametric and semiparametric analysis of bivariate alternating recurrent events	41
Clinical research activities during COVID-19: the point of view of a promoter of academic clinical trials	40
Comparison of statistical methods for the analysis of recurrent adverse events in the presence of non-proportional hazards and unobserved heterogeneity: a simulation study	40
Methodological identification of anomalies episodes in ECG streams: a systematic mapping study	39
Ripple effects mapping: capturing the wider impacts of systems change efforts in public health	38
Interactive molecular causal networks of hypertension using a fast machine learning algorithm MRdualPC	38
Use of systems thinking and adapted group model building methods to understand patterns of technology use among older adults with type 1 diabetes: a preliminary process evaluation	36
Detecting the patient’s need for help with machine learning based on expressions	35
A new infodemiological approach through Google Trends: longitudinal analysis of COVID-19 scientific and infodemic names in Italy	35