A Bayesian random-effects model was employed for the meta-analysis. The effective and required sample sizes were calculated to estimate whether there are adequate sample sizes. The certainty of ...

Background Comparative evidence on the diagnostic yield of endobronchial ultrasound (EBUS)-guided sampling techniques for ...

Learning to read a survey means understanding margins of error, sampling, weighting, and media framing, with an essential checklist and glossary.

Background Despite the widespread use of accreditation in many countries, and prevailing beliefs that accreditation is associated with variables contributing to clinical care and organisational ...