Characteristics
Sex ratio (male:female) 41:9
Age (year) 12.2±3.0
Times of FESS
1 2 3 4 40 8 1 1
Smoking history 1
Allergic rhinitis 2
Asthma Blood eosinophils percent (%) Blood eosinophils count Symptom score CT score Sides of NP Unilateral Bilateral 1 0.02±0.002 0.15±0.03 2.92±0.13 17.48±0.87 9 (18%) 41 (82%)