Background: Asthma is a chronic disease, the two main components of which are inflammation and bronchoconstriction. Fluticasone propionate (FP) and salmeterol, a strategy that treats both main components of asthma, has been recently compared with FP plus montelukast in a randomised clinical...

Objective: This study developed and validated a claims-based algorithm for identifying patients with irritable bowel syndrome (IBS) and investigated the characteristics of patients associated with a correct identification. Methods: Using a classification tree procedure, a claims-based algorithm...