| ECRSwNP (n = 30) | NonECRSwNP (n = 18) | P value |
---|---|---|---|
Demographic characteristics | |||
 Sex, male/female | 17/13 | 11/7 | 0.762 |
 Age, y (mean ± SD) | 45.03 ± 11.86 | 46.00 ± 15.77 | 0.810 |
 Previous surgery, n (%) | 10 (33.33) | 7 (38.89) | 0.697 |
 Asthma, n (%) | 16 (53.33) | 2 (11.11) | 0.003 |
 Allergic rhinitis, n (%) | 9 (30.00) | 1 (5.56) | 0.044 |
 Atopy, n (%) | 16 (53.33) | 4 (22.22) | 0.034 |
Histopathological findings (H&E staining) | |||
 Tissue eosinophils (%), median (IQR) | 57.27 (41.86–68.43) | 4.19 (1.97–6.68) |  < 0.001 |
 Tissue neutrophils (%), median (IQR) | 0.00 (0.00–2.18) | 6.84 (2.53–13.39) | 0.003 |
Self-assessed symptom scores (VAS) | |||
 Nasal obstruction score, median (IQR) | 7.00 (6.00–8.00) | 6.00 (6.00–8.00) | 0.572 |
 Rhinorrhea score, median (IQR) | 6.00 (5.00–7.00) | 5.50 (0.00–6.00) | 0.078 |
 Olfaction score, median (IQR) | 9.00 (6.00–10.00) | 6.00 (4.00–8.00) | 0.002 |
 Facial pain or headache score, median (IQR) | 0.00 (0.00–5.00) | 0.00 (0.00–5.25) | 0.581 |
 Total VAS score, median (IQR) | 22.50 (19.00–25.50) | 19.50 (16.75–22.25) | 0.021 |
Imaging examination scores | |||
 CT score, median (IQR) | 17.50 (14.00–22.00) | 17.50 (11.00–20.25) | 0.326 |
 E/M ratio, median (IQR) | 2.33 (2.00–3.50) | 2.00 (2.00–2.00) | 0.003 |
 Endoscopy score, median (IQR) | 5.50 (4.00–7.00) | 4.00 (2.75–5.00) | 0.003 |
Routine blood tests | |||
 Blood eosinophils (%), median (IQR) | 6.25 (5.05–9.20) | 1.60 (0.78–4.95) |  < 0.001 |
 Blood neutrophils (%), median (IQR) | 53.45 (47.03–56.68) | 58.50 (48.18–69.75) | 0.058 |