Age (years) |
52.1 (39.3–62.4) |
49.4 (39.3–58.4) |
63.3 (37.6–68.3) |
0.18 |
45.2 (33.3–51.3) |
0.23 |
Female sex, no. (%) |
5 (35.7) |
4 (40) |
1 (25) |
0.60 |
4 (50) |
0.51 |
Allergy, no. (%) |
3 (21.4) |
1 (10) |
2 (50) |
0.10 |
1 (12.5) |
0.60 |
Asthma, no. (%) |
3 (21.4) |
1 (10) |
2 (50) |
0.31 |
1 (12.5) |
0.84 |
COPD, no. (%) |
1 (7.1) |
1 (10) |
0 (0) |
0.89 |
0 (0) |
0.71 |
Smoking, no. (%) |
3 (21.4) |
3 (30) |
0 (0) |
0.22 |
1 (12.5) |
0.60 |
CRS duration (y) |
4 (3–10) |
5.5 (2.5–10) |
4 (3–10) |
0.91 |
3 (2.3–9.3) |
0.37 |
VAS (0–10) at inclusion |
8 (7.8–9.3) |
8.5 (7.8–10) |
8 (5.8–8.8) |
0.42 |
9.5 (7.3–10) |
0.38 |
CT Lund MacKay score at inclusion |
15 (12.8–18) |
14.5 (12.8–18) |
17.5 (12.8–23) |
0.36 |
12 (8.3–12.8) |
N.A. |
Endoscopic Lund Kennedy score at inclusion |
8 (7–9.3) |
8 (7–8.3) |
9 (8–10) |
0.15 |
4 (3–4) |
N.A. |
Tissue eosinophilia > 10 / HPF, no. (%) |
10 (71.4) |
10 (100) |
0 (0) |
N.A. |
1 (13) |
0.008 |
Neutrophil infiltration, no. (%) |
6 (42.9) |
4 (40) |
2 (50) |
0.73 |
2 (25) |
0.40 |
Basement membrane thickening ≥ 7.5μm, no. (%) |
11 (78.6) |
10 (100) |
1 (25) |
0.002 |
8 (100) |
0.16 |
Moderate / severe subepithelial oedema, no. (%) |
12 (85.7) |
9 (90) |
3 (75) |
0.47 |
1 (12.5) |
0.002 |
Hyperplastic / papillary change, no. (%) |
5 (35.7) |
4 (40) |
1 (25) |
0.51 |
2 (25) |
0.53 |
Squamous metaplasia, no. (%) |
4 (28.6) |
3 (30) |
1 (25) |
0.85 |
4 (50) |
0.31 |
Fibrosis, no. (%) |
10 (71.4) |
7 (70) |
3 (75) |
0.85 |
7 (87.5) |
0.39 |