OOIR: Observatory of International Research

Papers

(The H4-Index of BMJ Open is 65. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Call for emergency action to limit global temperature increases, restore biodiversity and protect health	537
Role of the collagen scaffold in preventing intrauterine adhesion from recurrence after adhesiolysis: protocol for a multicentre, randomised, controlled, parallel-group, open-label, superiority clinic	487
Exercise rehabilitation for people with postural tachycardia syndrome at two secondary care centres in the UK: the PULSE feasibility randomised controlled trial	232
Sleep disorders and the association with frailty among community-dwelling older adults in Northwest China: a cross-sectional study	205
Smartphone apps for mental health: systematic review of the literature and five recommendations for clinical translation	189
Incidence of tuberculosis and its predictors among children on antiretroviral therapy in Amhara Region, Ethiopia: a multicentre institution-based retrospective follow-up study	181
Association between elevated serum REG Iα levels and eGFR decline in patients with chronic kidney disease: a cross-sectional study in eastern China	144
HPV vaccination among young adults in Switzerland: a cross-sectional study	138
Heterogeneous association of health with patient and general practice characteristics by region, age and chronic condition: pooled cross-sectional study of patient-level data from England	123
Multicentre, 26-week, open-label phase 2 trial of the JAK inhibitor filgotinib in Behçet’s disease, idiopathic inflammatory myopathies and IgG4-related disease: DRIMID study protocol	118
Integrative anticoagulation of nafamostat mesylate in double plasma molecular adsorption system plus sequential half-dose plasmapheresis for patients with liver failure: a randomised controlled trial	116
Effect of driving pressure-guided individualised positive end-expiratory pressure on postoperative atelectasis in patients with morbid obesity: study protocol of a randomised controlled trial	114
Temporal trends in incidence and mortality rates of laryngeal cancer at the global, regional and national levels, 1990–2017	105
Nutritional status and its associated factors among elderly people in Ilu Aba Bor Zone, Southwest Ethiopia: a community-based cross-sectional study	104
Skill decay following Basic Life Support training: a systematic review protocol	100
Prevalence and associated factors of lower extremity musculoskeletal disorders among manufacturing workers: a cross-sectional study in China	100
Effects of sleep duration, perceived organisational support and personal resilience on anxiety in non-hospitalised residents during the COVID-19 pandemic: a survey study in Ningbo, China	98
Fitness, strength and severity of COVID-19: a prospective register study of 1 559 187 Swedish conscripts	98
Anaesthetic and perioperative considerations for extrapleural pneumonectomy and extended pleurectomy/decortication: a scoping review protocol	94
Evaluating the safety and patient impacts of an artificial intelligence command centre in acute hospital care: a mixed-methods protocol	92
Can natural language processing models extract and classify instances of interpersonal violence in mental healthcare electronic records: an applied evaluative study	90
How is the COVID-19 lockdown impacting the mental health of parents of school-age children in the UK? A cross-sectional online survey	89
Hospital staff perspectives on the provision of smoking cessation care: a qualitative description study	88
Feasibility of delivering and evaluating stratified care integrated with telehealth (‘Rapid Stratified Telehealth’) for patients with low back pain: protocol for a feasibility and pilot randomised con	88
Comparison of patient exit interviews with unannounced standardised patients for assessing HIV service delivery in Zambia: a study nested within a cluster randomised trial	87

What is needed to effectively communicate risk during a health crisis? A qualitative study with international experts based on the COVID-19 pandemic	83
Real-time prediction of patient disposition and the impact of reporter confidence on mid-level triage accuracies: an observational study in Israel	82
Shared decision-making in the ICU from the perspective of physicians, nurses and patients: a qualitative interview study	81
Use of virtual and augmented reality-based interventions in health education to improve dementia knowledge and attitudes: an integrative review	81
Prevalence of anaemia and the associated factors among hospitalised people living with HIV receiving antiretroviral therapy in Southwest China: a cross-sectional study	81
Changes in primary care visits arising from the COVID-19 pandemic: an international comparative study by the International Consortium of Primary Care Big Data Researchers (INTRePID)	80
Escalating the limit of median survival time and predictors of mortality among preterm neonates in Northwest Ethiopia, 2021: a 1-year prospective follow-up study	80
Developing a core outcome set on traditional Chinese medicine (COS-TCM) for chronic heart failure (CHF): a study protocol	79
Longitudinal trajectories of sedation level and clinical outcomes in patients who are mechanically ventilated based on a group-based trajectory model: a prospective, multicentre, longitudinal and obse	79
Studying both patient and staff experience to investigate their perceptions and to target key interactions to improve: a scoping review	79
Association of maternal depression and anxiety with toddler social-emotional and cognitive development in South Africa: a prospective cohort study	78
Acupuncture as a therapeutic intervention for post-COVID-19 vaccination urticaria: a systematic review and meta-analysis protocol	78
Haemoglobin transfusion threshold in traumatic brain injury optimisation (HEMOTION): a multicentre, randomised, clinical trial protocol	78
Development of an international core outcome set for treatment trials in paediatric inguinal hernia: protocol for a three-phase study including a systematic review and Delphi survey	77
Effect of COVID-19 on smoking cessation outcomes in a large primary care treatment programme: an observational study	77
COVID-19 related disruption and resilience in immunisation activities in LMICs: a rapid review	77
Depressive symptoms in adults in rural and urban regions of Canada: a cross-sectional analysis of the Canadian Longitudinal Study on Aging	76
Early-onset burdensome multimorbidity: an exploratory analysis of sentinel conditions, condition accrual sequence and duration of three long-term conditions using the 1970 British Cohort Study	76
Modified effect of active or passive smoking on the association between age and abdominal aortic calcification: a nationally representative cross-sectional study	75
Rubella seroprevalence among pregnant women in the region of Rabat, Morocco: a cross-sectional study	75
Cultural influences on physical activity and exercise beliefs in patients with chronic kidney disease: ‘The Culture-CKD Study’—a qualitative study	75
How defensive medicine is defined in European medical literature: a systematic review	75
Association of cardiometabolic risk factors with hospitalisation or death due to COVID-19: population-based cohort study in Sweden (SCAPIS)	75
Is the analogue cognitive test from the ISPOCD equivalent to the digital cognitive test Mindmore? A protocol for a randomised cross-over study including qualitative interviews with self-reported healt	74
Mental burden and perception of the study situation among undergraduate students during the COVID-19 pandemic: a cross-sectional study and comparison of dental and medical students	73
Improving diagnostic of cervical dysplasia among postmenopausal women aged ≥50 years using local vaginal oestrogen treatment prior to colposcopy: study protocol for a multicentre randomised controlled	73
In-depth look into urban and rural disparities in prehospital delay in patients with acute ST-elevation myocardial infarction and its impact on prognosis: a prospective observational study	73
Assessment of hypertension service availability in some primary health centres in Nigeria: a mixed-methods study	71
Differential impact of opt-in, opt-out policies on deceased organ donation rates: a mixed conceptual and empirical study	71
Association between accelerometer-derived physical activity and depression: a cross-sectional study using isotemporal substitution analysis	70
Lung cancer survivors’ views on telerehabilitation following curative intent therapy: a formative qualitative study	70
Evidence of community health workers’ delivery of physical rehabilitation services in sub-Saharan Africa: a scoping review	70
Trajectories of asthma symptom presenting as wheezing and their associations with family environmental factors among children in Australia: evidence from a national birth cohort study	69
Scoping review of enablers and challenges of implementing pharmacogenomics testing in the primary care settings	69
Cohort profile: The Swiss Transplant Cohort Study (STCS): A nationwide longitudinal cohort study of all solid organ recipients in Switzerland	68
Application of complexity theory in health and social care research: a scoping review	67
Prevalence of alcohol use and associated factors since COVID-19 among school-going adolescents within the Southern African Development Community: a systematic review protocol	67
Child and family experiences of a whole-systems approach to physical activity in a multiethnic UK city: a citizen science evaluation protocol	67
Prevalence of HIV in mental health service users: a retrospective cohort study	66
Exploring HPV vaccine knowledge, attitudes, barriers and information sources among parents, health professionals and teachers in Kazakhstan: a mixed-methods study protocol	65
Epidemiological features and temporal trends of HIV-negative tuberculosis burden from 1990 to 2019: a retrospective analysis based on the Global Burden of Disease Study 2019	65