CMAJ

Tips for learners of evidence-based medicine: 1. Relative risk reduction, absolute risk reduction and number needed to treat

Learn how to determine control and treatment event rates in published studies. Learn how to determine relative and absolute risk reductions from published studies. Understand how relative and absolute ...
BMJ

Quantifying the relative intensity of free-living physical activity: differences across age, association with mortality and clinical interpretation—an observational study

Objectives To describe age-related differences in the absolute and relative intensity of physical activity (PA) and associations with mortality. Methods UK Biobank participants with ...