Evaluating Statistics

• Probability and Odds and Interpreting Their Ratios
• Type I and Type II Errors
• Absolute vs. Relative Differences
• Correlation Coefficients
• 95% CIs for Number Needed to Treat
• Statistical Significance and P values
• 95% Confidence Intervals

Evaluating Study Designs

• Before-After Studies: Evaluating a Report of a "Successful" Intervention
• Group Randomized Trials
• Cost-Effectiveness Analysis
• Interpreting Surveys
• Utilities
• Scores: What Counts?

Special Topics

• Lead-Time, Length, and Overdiagnosis Biases
• Dissecting a Medical Imperative
• HEDIS
• Geographic Variation in Health Care