Submitted for Publication: March 11, 2012; final revision received July 8, 2012; accepted July 12, 2012.
Author Contributions: Dr Ferguson had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Rizk and Ferguson. Acquisition of data: Rizk. Analysis and interpretation of data: Rizk and Ferguson. Drafting of the manuscript: Rizk and Ferguson. Critical revision of the manuscript for important intellectual content: Ferguson. Statistical analysis: Rizk. Study supervision: Ferguson.
Financial Disclosure: Dr Ferguson is on the Advisory Boards of Teva (makers of a nasal steroid spray), Meda (makers of a nasal antihistamine spray), and Sunovion (makers of a nasal steroid spray).
Previous Presentation: This article was presented as a poster at the American Academy of Otolaryngology–Head and Neck Surgery Annual Meeting; September 26 to 29, 2010; Boston, Massachusetts.
Additional Contributions: We thank Amine Haddad, MD, FRCS, Bassam Tabchy, MD, FRCS, Simon Rassi, MD, Walid Abou Hamad, MD, Georges Dabar, MD, and Zeina Aoun Bacha, MD, for their help and guidance in constructing the clinical database.