External validation of a United Kingdom primary‐care Cushing's prediction tool in a population of referred Dutch dogs

Abstract Background A prediction tool was developed and internally validated to aid the diagnosis of Cushing's syndrome in dogs attending UK primary‐care practices. External validation is an important part of model validation to assess model performance when used in different populations. Objectives To assess the original prediction model's transportability, applicability, and diagnostic performance in a secondary‐care practice in the Netherlands. Animals Two hundred thirty client‐owned dogs. Methods Retrospective observational study. Medical records of dogs under investigation of Cushing's sy... Mehr ...