OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Medicine is 66. 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 2020-04-01 to 2024-04-01.)

Article	Citations
Quantifying the impact of physical distance measures on the transmission of COVID-19 in the UK	519
COVID-19 length of hospital stay: a systematic review and data synthesis	367
Ethnic and socioeconomic differences in SARS-CoV-2 infection: prospective cohort study using UK Biobank	277
New insights into genetic susceptibility of COVID-19: an ACE2 and TMPRSS2 polymorphism analysis	275
Impact of lockdown on COVID-19 epidemic in Île-de-France and possible exit strategies	269
The impact of non-pharmaceutical interventions on SARS-CoV-2 transmission across 130 countries and territories	235
Neutrophil to lymphocyte ratio and cancer prognosis: an umbrella review of systematic reviews and meta-analyses of observational studies	221
Mechanisms linking childhood trauma exposure and psychopathology: a transdiagnostic model of risk and resilience	219
Are immune-related adverse events associated with the efficacy of immune checkpoint inhibitors in patients with cancer? A systematic review and meta-analysis	186
Medical education during pandemics: a UK perspective	179
Long-term perturbation of the peripheral immune system months after SARS-CoV-2 infection	149
Evaluation of the safety profile of COVID-19 vaccines: a rapid review	147
Effectiveness of COVID-19 vaccines against SARS-CoV-2 variants of concern: a systematic review and meta-analysis	147
Mendelian randomization study of inflammatory bowel disease and bone mineral density	147
Adapting hospital capacity to meet changing demands during the COVID-19 pandemic	132
Response to COVID-19 in South Korea and implications for lifting stringent interventions	132
At what times during infection is SARS-CoV-2 detectable and no longer detectable using RT-PCR-based tests? A systematic review of individual participant data	131
The triglyceride glucose index is a simple and low-cost marker associated with atherosclerotic cardiovascular disease: a population-based study	129
Association between gut microbiota and preeclampsia-eclampsia: a two-sample Mendelian randomization study	126
Reconstructing the early global dynamics of under-ascertained COVID-19 cases and infections	116
An ecological study of socioeconomic predictors in detection of COVID-19 cases across neighborhoods in New York City	107
Global burden of disease due to smokeless tobacco consumption in adults: an updated analysis of data from 127 countries	107
Ketone bodies: from enemy to friend and guardian angel	107
Transmission event of SARS-CoV-2 delta variant reveals multiple vaccine breakthrough infections	106
Insulin: too much of a good thing is bad	106

The three numbers you need to know about healthcare: the 60-30-10 Challenge	104
Sequelae, persistent symptomatology and outcomes after COVID-19 hospitalization: the ANCOHVID multicentre 6-month follow-up study	104
Evidence for treatment with estradiol for women with SARS-CoV-2 infection	103
Pre-existing health conditions and severe COVID-19 outcomes: an umbrella review approach and meta-analysis of global evidence	103
Comparing the effects of HIV self-testing to standard HIV testing for key populations: a systematic review and meta-analysis	102
Epidemiological models are important tools for guiding COVID-19 interventions	96
Estimating the effectiveness of routine asymptomatic PCR testing at different frequencies for the detection of SARS-CoV-2 infections	95
Perspectives of tumor-infiltrating lymphocyte treatment in solid tumors	92
A single-center, retrospective study of COVID-19 features in children: a descriptive investigation	90
Vegetarian and vegan diets and risks of total and site-specific fractures: results from the prospective EPIC-Oxford study	86
Gut microbiome alterations and gut barrier dysfunction are associated with host immune homeostasis in COVID-19 patients	84
Causal relationship between gut microbiota and cancers: a two-sample Mendelian randomisation study	80
Considerations for target oxygen saturation in COVID-19 patients: are we under-shooting?	80
Comorbidity between depression and anxiety: assessing the role of bridge mental states in dynamic psychological networks	78
Meat consumption and risk of 25 common conditions: outcome-wide analyses in 475,000 men and women in the UK Biobank study	78
A prospective longitudinal study on the microbiota composition in amyotrophic lateral sclerosis	78
Causal role of high body mass index in multiple chronic diseases: a systematic review and meta-analysis of Mendelian randomization studies	77
Dietary fruit and vegetable intake, gut microbiota, and type 2 diabetes: results from two large human cohort studies	76
Mortality and other adverse outcomes in patients with type 2 diabetes mellitus admitted for COVID-19 in association with glucose-lowering drugs: a nationwide cohort study	76
Pregnant women with COVID-19 and risk of adverse birth outcomes and maternal-fetal vertical transmission: a population-based cohort study in Wuhan, China	76
Evolving phenotypes of non-hospitalized patients that indicate long COVID	76
Real-time monitoring the transmission potential of COVID-19 in Singapore, March 2020	75
Consolidated Health Economic Evaluation Reporting Standards 2022 (CHEERS 2022) statement: updated reporting guidance for health economic evaluations	74
Excess mortality for care home residents during the first 23 weeks of the COVID-19 pandemic in England: a national cohort study	74
LDL-C: lower is better for longer—even at low risk	73
Polycystic ovary syndrome (PCOS) and COVID-19: an overlooked female patient population at potentially higher risk during the COVID-19 pandemic	72
Adiposity, metabolites, and colorectal cancer risk: Mendelian randomization study	72
The impact of COVID-19 control measures on social contacts and transmission in Kenyan informal settlements	72
Optimizing COVID-19 surveillance in long-term care facilities: a modelling study	71
Duration of palliative care before death in international routine practice: a systematic review and meta-analysis	71
Identifying and combating the impacts of COVID-19 on malaria	71
Studying the post-COVID-19 condition: research challenges, strategies, and importance of Core Outcome Set development	70
Mapping subnational HIV mortality in six Latin American countries with incomplete vital registration systems	70
The challenges of colposcopy for cervical cancer screening in LMICs and solutions by artificial intelligence	70
COVID-19 pandemic and violence: rising risks and decreasing urgent care-seeking for sexual assault and domestic violence survivors	69
Epidemiological and clinical features of pediatric COVID-19	69
Patient and public involvement in research: from tokenistic box ticking to valued team members	69
Non-alcoholic fatty liver disease (NAFLD) as a neglected metabolic companion of psychiatric disorders: common pathways and future approaches	68
The association between frailty and severe disease among COVID-19 patients aged over 60 years in China: a prospective cohort study	67
Evaluation and improvement of the National Early Warning Score (NEWS2) for COVID-19: a multi-hospital study	67
Rapid publications risk the integrity of science in the era of COVID-19	66