Skills Factory on MSN

Start creating presentations in PowerPoint: Complete guide

This beginner guide walks you through Microsoft PowerPoint 2019 step by step. Learn how to create, design, and present slides ...
BMJ

Disease progression in osteosarcoma: a multistate model for the EURAMOS-1 (European and American Osteosarcoma Study) randomised clinical trial

Objectives Investigating the effect of prognostic factors in a multistate framework on survival in a large population of patients with osteosarcoma. Of interest is how prognostic factors affect ...
jech.bmj

A brief conceptual tutorial of multilevel analysis in social epidemiology: using measures of clustering in multilevel logistic regression to investigate contextual phenomena

Study objective: In social epidemiology, it is easy to compute and interpret measures of variation in multilevel linear regression, but technical difficulties exist in the case of logistic regression.
BMJ

Handling time varying confounding in observational research

1 Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, PO Box 14155-6446, Tehran, Iran 2 Department of Ophthalmology and Visual Sciences, ...
BMJ

Interpreting diagnostic accuracy studies for patient care

A diagnostic test accuracy study provides evidence on how well a test correctly identifies or rules out disease and informs subsequent decisions about treatment for clinicians, their patients, and ...