TY - T1的相关性和因果关系:COVID -19 conundrum JF - European Respiratory Journal JO - Eur Respir J DO - 10.1183/13993003.03174-2020 VL - 56 IS - 4 SP - 2003174 AU - Morice, Alyn H. Y1 - 2020/10/01 UR - //www.qdcxjkg.com/content/56/4/2003174.abstract N2 - I read with interest the two contributions by J.D. Chalmers and co-workers to the July issue of the European Respiratory Journal. In a reply to correspondence concerning the inhaled corticosteroid withdrawal controversy in COPD [1], they suggest that A. Agusti succumbs to the fallacy of post hoc, ergo, propter hoc [2], i.e. A occurred, then B occurred: therefore, A caused B. However, as we know, correlation is not causality.Predictive models depend heavily on the assumptions made in their construction https://bit.ly/2Eex05F ER -