OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Clinical Epidemiology is 44. 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 2021-09-01 to 2025-09-01.)

Article	Citations
A review identified challenges distinguishing primary reports of randomized trials for meta-research: A proposal for improved reporting	240
A general explanation of the counterfactual definition of confounding	200
Recording harms in randomized controlled trials of behavior change interventions: a scoping review and map of the evidence	184
Corrigendum to ‘Identifying type 1 and 2 diabetes in research datasets where classification biomarkers are unavailable: assessing the accuracy of published approaches’ [Journal of Clinical Epidemiolog	177
Many thanks to our reviewers	172
The construct of certainty of evidence has not been disseminated to systematic reviews and clinical practice guidelines; response to ‘The GRADE Working Group’ et al	164
Editorial Board	161
Editorial Board	161
Interrater reliability of ROB2 – an alternative measure and way of categorization	112
RETRACTED: Part II: a step-by-step guide to latent class analysis	111
Harms in Systematic Reviews Paper 2: Methods used to assess harms are neglected in systematic reviews of gabapentin	102
Empirical evaluation of the methods used in systematic reviews including observational studies and randomized trials	100
Meta-analysis of individual participant data and informed consent: a small step, but important and neglected	99
Predicting COVID-19 prognosis in the ICU remained challenging: external validation in a multinational regional cohort	97
Types and associated methodologies of overviews of reviews in health care: a methodological study with published examples	96
Screening colonoscopy similarly prevented distal and proximal colorectal cancer: a prospective study among 55–69-year-olds	94
Two-decade health-related quality of life and performance on physical function tests in midaged women: findings from a prospective cohort study	93
Visualizing the value of diagnostic tests and prediction models, part III. Numerical example with discrete risk groups and miscalibration	92
Potential interactions between digoxin and direct oral anticoagulants: application of cohort & novel case-crossover designs	91
A Bayesian-adaptive decision-theoretic approach can reduce the sample sizes for multiarm exercise oncology trials	80
Reporting of funding and conflicts of interest improved from preprints to peer-reviewed publications of biomedical research	79
The inclusion of outcomes in search strategies for Cochrane Reviews: authors’ reply	77
GRADE concept paper 2: Concepts for judging certainty on the calibration of prognostic models in a body of validation studies	76
Harms were detected but not reported in six clinical trials of gabapentin	69
Statistical robustness of randomized controlled trials in high-impact journals has improved but was low across medical specialties	68

More than two-dozen prescription drug-based risk scores are available for risk adjustment: A systematic review	68
Pharmacovigilance studies without a priori hypothesis: systematic review highlights inappropriate multiple testing correction procedures	67
Measuring the environmental impact of health interventions in randomized controlled trials – A scoping review	67
Randomized COVID-19 vaccination rollout can offer direct real-world evidence	64
Librarian involvement in systematic reviews was associated with higher quality of reported search methods: a cross-sectional survey	63
Integrating personomics into precision medicine	62
The walking man approach to interpreting the receiver operating characteristic curve and area under the receiver operating characteristic curve	61
JBI series paper 2: tailored evidence synthesis approaches are required to answer diverse questions: a pragmatic evidence synthesis toolkit from JBI	61
Strong and high-quality evidence synthesis needs Cochrane: a statement of support by the GRADE Guidance Group	60
Multimorbidity, activity limitation and self-reported health all predict mortality risk, but better measures were required	59
Results reporting for clinical trials led by medical universities and university hospitals in the nordic countries was often missing or delayed	57
Use of artificial intelligence to support the assessment of the methodological quality of systematic reviews	57
GRADE guidance 39: using GRADE-ADOLOPMENT to adopt, adapt or create contextualized recommendations from source guidelines and evidence syntheses	56
A systematic survey identified methodological issues in studies estimating anchor-based minimal important differences in patient-reported outcomes	53
Handling missing data in clinical research	50
Searching two or more databases decreased the risk of missing relevant studies: a metaresearch study	46
Advances in methodologies of negative controls: a scoping review	46
External validation of six COVID-19 prognostic models for predicting mortality risk in older populations in a hospital, primary care, and nursing home setting	46
Allocation of scarce resources in a pandemic: rapid systematic review update of strategies for policymakers	44