Rassen, JA., Glynn, RJ., Rothman, K., Setoguchi, S., & Schneeweiss, S. (2012). Response to commentary by Marcus and Gibbons. Pharmacoepidemiology and Drug Safety, 21(7), 713. https://doi.org/10.1002/pds.3211
Caution should be used in applying propensity scores estimated in a full cohort to adjust for confounding in subgroup analyses: Commentary on 'Applying propensity scores estimated in a full cohort to adjust for confounding in subgroup analyses' Response
