Statistical Methods for Effect Measure Transformation


Methodological Approaches for Effect Measure Transformation »

1. Transformation Between Relative Measures and Regression Coefficients

  • Statistical methods for converting between relative effect measures (odds ratios, risk ratios, hazard ratios) and regression coefficients
2. Derivation of Absolute Effect Measures from Relative Measures

  • Statistical methods for estimating absolute effect measures based on relative measures (odds ratios, risk ratios, hazard ratios)
  • Implementation of reporting guidelines for comprehensive presentation of both relative and absolute measures
3. Transformation of Confidence Intervals Across Different Confidence Levels

  • Statistical methods for transforming confidence intervals between different confidence levels (e.g., 99% to 95%)
  • Estimation of point estimates and standard errors from confidence intervals
  • Implementation of validated algorithms for both relative and absolute measures

4. Conversion of Effect Measures between Continuous and Categorical Outcome.
4.1 Conversion between Standardized Mean Difference and Odds Ratio (OR)

  • S1: Convert standardized mean difference to odds ratio (OR).
  • S2: Convert odds ratio (OR) to standardized mean difference.
4.2 Estimate Relative Risk (RR) from Standardized Mean Difference

  • Estimate relative risk (RR) based on standardized mean difference.
4.3 Estimate Risk Difference (RD) and NNT/NNH from Standardized Mean Difference

  • Estimate risk difference and NNT/NNH from standardized mean difference, for clinical interpretation.