According to the diagnostic criteria, the distribution of the 372 patients within each class was as follows: PR/CRS, 208 (56%) patients, 123 with PR and 85 with CRS; GERD, 62 (17%) patients, 51 with laryngeal involvement; UNEX, 61 (16%) patients; and asthma/CC+, 41 (11%) patients, 39 (95%) with persistent rhinitis, sinusitis, or both.