METHODS	Subjective ( Sino-nasal Outcome Test-22 [ SNOT-22 ] , Nasal Sinus Symptom Scale [ NSSS ] , and the Asthma Control Questionnaire-7 [ ACQ-7 ] ) and objective outcome instruments ( Peri-Operative Sinus Evaluation [ POSE ] and Lund-Kennedy Endoscopic Score [ LKES ] ) were used to evaluate patients at baseline , 6 weeks ( at crossover ) , and 12 weeks .\