Corrigendum to "Propensity score stratification using bootstrap aggregating classification trees analysis" [Heliyon 6 (7) July 2020 e04288].

[This corrects the article DOI: 10.1016/j.heliyon.

Propensity score stratification using bootstrap aggregating classification trees analysis.

Introduction: Observational research in the field of health often does not conduct randomized controlled trials on research subjects. A non-random selection process on research subjects can result in a biased treatment effect due to an imbalance between the treatment and control groups.

Methods: The problem of bias effects can be dealt with by reducing the bias in the confounding variable using the propensity score method.