Objective This study evaluates whether Taiwan’s national oral cancer screening programme, implemented in 1999, has led to a ...

What it is Overdetection refers to the identification of abnormalities that were never going to cause harm, abnormalities that do not progress, that progress too slowly to cause symptoms or harm ...

Definitions In the biomedical published literature, a case report is the description of the clinical course of one individual, which may include particular exposures, symptoms, signs, interventions or ...

Defining goals of number communications This is a more nuanced and complicated question than most people think it is. ‘Accurate understanding’ is usually defined in the research literature as good ...

Journal clubs, typically involving a group of health professionals or trainees who discuss recent study findings, have long been considered a fundamental element of teaching evidence-based practice.

Qualitative research has an important place within evidence-based health care (EBHC), contributing to policy on patient safety and quality of care, supporting understanding of the impact of chronic ...

WHAT IS ALREADY KNOWN ON THIS TOPIC Assessing risk of bias in the results of included studies of a systematic review is a key step in ensuring our confidence in the review’s findings. A new tool for ...

Understanding the causes of deaths and how they can be prevented is critical for improving healthcare outcomes. At a population level, over-reporting or under-reporting of deaths can have a profound ...

Alcohol-based hand sanitisers, if ingested, can have toxic effects and may even be lethal. Preventable deaths from ingesting hand sanitisers have been identified. This article describes two Prevent ...

Registration of health and medical research is an effective way of improving the transparency and credibility of evidence. Registration involves pre-specifying the research objectives, design, methods ...