OrthoQB

Evidence library

The trials, meta-analyses and guidelines that shape orthopaedic diagnosis and management, each summarised in one screen: what it asked, what it found, and how it changed practice. Every citation is checked against PubMed.

All Diagnosis Management Prognosis Prevention

Bland-AltmanLancet (London, England) 1986

Statistical methods for assessing agreement between two methods of clinical measurement

Showed that correlation coefficients are misleading for judging agreement and proposed a simple graphical approach: plot differences against means and report the mean difference (bias) and limits of agreement derived from the spread of the differences.

OtherDiagnosisResearch, statistics & guidelines