Exhalation Delivery System with Fluticasone in Chronic Rhinosinusitis by Eosinophil, Asthma, and Allergy Status

Study limitation reported by the research below: “This is a subgroup analysis of two RCTs (ReOpen1, ReOpen2); randomization was not stratified by the subgroups examined, so treatment-by-subgroup interaction results should be interpreted with caution.”