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Open AccessTesting on bacterial vaginosis in a subfertile population and time to pregnancy: a prospective cohort study
This study aimed to investigate the influence of bacterial vaginosis on time to pregnancy in subfertile couples.
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Article
Open AccessHypertension and diabetes, but not leptin and adiponectin, mediate the relationship between body fat and chronic kidney disease
Obesity may promote kidney damage through hemodynamic and hormonal effects. We investigated the association between body mass index (BMI), total body fat (TBF) and chronic kidney disease (CKD) and whether hype...
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Open AccessInfluence of initial misdiagnosis on mortality in patients with bacteraemia: propensity score matching and propensity score weighting analyses
The diagnostic process is a key element of medicine but it is complex and prone to errors. Infectious diseases are one of the three categories of diseases in which diagnostic errors can be most harmful to pati...
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Bacterial vaginosis in a subfertile population undergoing fertility treatments: a prospective cohort study
This study investigates the role of bacterial vaginosis (BV) on pregnancy rates during various fertility treatments. BV is known to influence several obstetric outcomes, such as preterm delivery and endometrit...
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Article
Open AccessRisk of recurrence after local resection of T1 rectal cancer: a meta-analysis with meta-regression
T1 rectal cancer (RC) patients are increasingly being treated by local resection alone but uniform surveillance strategies thereafter are lacking. To determine whether different local resection techniques infl...
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Open AccessSystemic inflammatory markers in relation to cognitive function and measures of brain atrophy: a Mendelian randomization study
Observational studies have implied associations between multiple cytokines and cognitive decline, anti-inflammatory drugs however did not yield any protective effects on cognitive decline. We aimed to assess t...
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Open AccessFlemish population-based cancer screening programs: impact of COVID-19 related shutdown on short-term key performance indicators
Many breast, colorectal, and cervical cancer screening programs were disrupted due to the COVID-19 pandemic. This study aimed to estimate the short-term impact of the temporary shutdown (from March until May- ...
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Open AccessCoronavirus disease 2019 and peripheral blood eosinophil counts: a retrospective study
Eosinopenia has been described in COVID-19. With this study, we aim to study the peripheral blood eosinophil counts in COVID-19 patients and to investigate whether there is an association between the periphera...
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Article
Open AccessThe PRolaCT studies — a study protocol for a combined randomised clinical trial and observational cohort study design in prolactinoma
First-line treatment for prolactinomas is a medical treatment with dopamine agonists (DAs), which effectively control hyperprolactinaemia in most patients, although post-withdrawal remission rates are approxim...
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Open AccessPrediction meets causal inference: the role of treatment in clinical prediction models
In this paper we study approaches for dealing with treatment when develo** a clinical prediction model. Analogous to the estimand framework recently proposed by the European Medicines Agency for clinical tri...
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Statin-induced LDL cholesterol response and type 2 diabetes: a bidirectional two-sample Mendelian randomization study
It remains unclear whether the increased risk of new-onset type 2 diabetes (T2D) seen in statin users is due to low LDL-C concentrations, or due to the statin-induced proportional change in LDL-C. In addition,...
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Article
Open AccessHidden analyses: a review of reporting practice and recommendations for more transparent reporting of initial data analyses
In the data pipeline from the data collection process to the planned statistical analyses, initial data analysis (IDA) typically takes place between the end of the data collection and do not touch the research...
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Open AccessAuthors’ Reply: A comparison of different methods to handle missing data in the context of propensity score analysis
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Open AccessMetabolomics: a search for biomarkers of visceral fat and liver fat content
Excess visceral and liver fat are known risk factors for cardiometabolic disorders. Metabolomics might allow for easier quantification of these ectopic fat depots, instead of using invasive and costly tools su...
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Different statistical techniques dealing with confounding in observational research: measuring the effect of breast-conserving therapy and mastectomy on survival
Propensity trimming, hierarchical modelling and instrumental variable (IV) analysis are statistical techniques dealing with confounding, cluster-related variation or confounding by severity. This study aimed t...
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Comparison of Amsel criteria, Nugent score, culture and two CE-IVD marked quantitative real-time PCRs with microbiota analysis for the diagnosis of bacterial vaginosis
Bacterial vaginosis (BV) is a common gynaecological condition. Diagnosis of BV is typically based on Amsel criteria, Nugent score and/or bacterial culture. In this study, these conventional methods and two CE-...
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Article
Open AccessRisk of Clinically Relevant Pericardial Effusion After Pediatric Cardiac Surgery
Pericardial effusion (PE) after pediatric cardiac surgery is common. Because of the lack of a uniform classification of the presence and severity of PE, we evaluated PE altering clinical management: clinically...
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Open AccessA comparison of different methods to handle missing data in the context of propensity score analysis
Propensity score analysis is a popular method to control for confounding in observational studies. A challenge in propensity methods is missing values in confounders. Several strategies for handling missing va...
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Article
Open AccessPostprandial metabolite profiles associated with type 2 diabetes clearly stratify individuals with impaired fasting glucose
Fasting metabolite profiles have been shown to distinguish type 2 diabetes (T2D) patients from normal glucose tolerance (NGT) individuals.
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Open AccessPulmonary function, exhaled nitric oxide and symptoms in asthma patients with obesity: a cross-sectional study
Obesity is a risk factor for the development of asthma. In patients with obesity the diagnosis of asthma is often based on symptoms, but without objective measurements. Nevertheless, obesity-associated asthma ...