- Unbalanced RCT needs statistical adjustment
- Observational intervention research may similarly apply multivariable model for adjustment
- Dealing with confounding by (contra) indication in intervention research
- using non-R study-base design: the propensity score methods
- Introducing “prognostic score” in analysis of intervention research using non-R design
- Introducing “summary confounder score” in analysis of causal research using non-R design
