Subjective ( Sino-nasal Outcome Test-@ -LSB- SNOT-@ -RSB- , Nasal Sinus Symptom Scale -LSB- NSSS -RSB- , and the Asthma Control Questionnaire-@ -LSB- ACQ-@ -RSB- ) and objective outcome instruments ( Peri-Operative Sinus Evaluation -LSB- POSE -RSB- and Lund-Kennedy Endoscopic Score -LSB- LKES -RSB- ) were used to evaluate patients at baseline , @ weeks ( at crossover ) , and @ weeks .