Health Outcome Evaluation: Accounting for Regression to the Mean

Wonderful presentation. I am wondering whether in determing health outcomes whether you were able to account for reductions in ER visits, hospitalizations, etc. that are likely to occur just over time rather than due to the intervention. For example, perhaps someone was enrolled because they had just had a severe asthma exacerbation and in six months time they may not have been expected to have another incident that serious.

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