Design, Conduct, and Interpretation of Nonrandomized Orthopaedic Studies
Hierarchy of Evidence
Principles of Designing a Cohort Study in Orthopaedics
Principles of Designing an Orthopaedic Case-Control Study
How to Design a Good Case Series
Survey Design in Orthopaedic Surgery
Outcome Measures and Implications for Sample-Size Calculations
Outcome Instruments
Analysis of Observational Studies
Authorship and Ethical Considerations in the Conduct of Observational Studies
The Use of Hospital Registries in Orthopaedic Surgery
Using Observational Data for Decision Analysis and Economic Analysis
Multicenter Collaboration in Observational Research
Methodological Issues in Systematic Reviews and Meta-Analyses of Observational Studies in Orthopaedic Research
An Evidence-Based Approach to the Adoption of New Technology
Evaluating Agreement
Qualitative Research