JAMAevidence Users' Guides to the Medical Literature

How to Use a Patient Management Recommendation: Clinical Practice Guidelines and Decision Analyses With Dr Agoritsas

Evidence-Based Practitioners and Evidence-Based Care With Dr Wilson

Teachers' Guides to the Users' Guides

Assessing the Strength of Recommendations: The GRADE Approach With Dr Vandvik

Understanding and Applying the Results of a Systematic Review With Dr Murad

Fixed-Effects and Random-Effects Models With Dr Murad

Adjusted Analyses in Studies Addressing Therapy and Harm With Dr Agoritsas

Spectrum Bias With Dr Reem A. Mustafa

Discrimination and Calibration of Clinical Prediction Models With Dr Alba

How to Interpret and Use a Clinical Practice Guideline or Recommendation With Dr Gordon Guyatt and Dr Brignardello-Petersen

Measuring Agreement Beyond Chance With Dr Thomas McGinn

Correlation and Regression With Dr Jaeschke

Economic Analysis With Dr Paul Moayyedi

Misleading Presentations of Clinical Trial Results with Dr Victor Montori

Surrogate Outcomes from the Users’ Guides to the Medical Literature

How to Read Articles That Use Machine Learning With Yun Liu, PhD

Cluster Randomized Trials: Evaluating Treatments Applied to Groups With William J. Meurer, MD

Dose-Finding Trials: Optimizing Phase 2 Data in the Drug Development Process with Dr Kert Viele

Noninferiority Trials: Is a New Treatment Almost as Effective as Another? with Dr Amy Kaji

Decision-making and the Patient with Dr Victor Montori

JAMA Guide to Statistics and Methods

Applying Results to Individual Patients with Dr Thomas Agoritsas

How to Use a Subgroup Analysis with Dr Gordon Guyatt

Composite End Points With Dr Gordon Guyatt

Differential Diagnosis With Dr Scott Richardson

How to Use an Article About Genetic Association With Dr John Attia

How to Use an Article About Hypothesis Testing and Appropriate Interpretation of P Values: Interview With Dr George Tomlinson

Obstructive Sleep Apnea: Interview With Dr Kathryn A. Myers

How to Use an Article About Quality Improvement: Interview With Dr Eddy Fan

Network Meta-analysis: Interview With Dr Gordon Guyatt

The Principle of Intention to Treat and Ambiguous Dropouts: Interview With Dr Matthias Briel

Evidence-Based Medicine and the Theory of Knowledge: Interview With Dr Gordon Guyatt

Clinical Prediction Rules: Interview With Dr Thomas G. McGinn

Recommendations About Screening: Interview With Gemma Louise Jacklyn

How to Use a Noniferiority Trial: Interview With Dr Gordon Guyatt

The Process of a Systematic Review and Meta-analysis: Interview With Dr M. Hassan Murad

Understanding the Results: More About Odds Ratios: Interview With Dr Gordon Guyatt

Why Study Results Mislead: Interview With Dr Gordon Guyatt

Surprising Results of Randomized Trials: Interview With Dr Gordon Guyatt

Diagnostic Tests: Interview With Dr Toshi A. Furukawa

Confidence Intervals: Interview With Dr Gordon Guyatt

Prognosis: Interview With Dr Adrienne Randolph

Philosophy of Evidence-Based Medicine: Interview With Dr Victor Montori

Harm (Observational Studies): Interview With Dr Mitchell Levine

Does Treatment Lower Risk?: Interview With Dr Roman Jaeschke

Measuring Patients’ Experience: Interview With Dr Toshi A. Furukawa

N-of-1 Randomized Controlled Trials: Interview With Dr Gordon Guyatt

Randomized Trials Stopped Early for Benefit: Interview With Dr Victor Montori

Finding the Evidence: Interview With Dr Ann McKibbon

Summarizing the Evidence: Interview With Dr Gordon Guyatt