Table 1 Clinical subdivisions of chronic rhinosinusitis based on nasal polyposis and aspirin – sensitivity (mean with 95% CI, or % of group).
From: Pathophysiological classification of chronic rhinosinusitis
1st Decision | Chronic Rhinosinusitis (CRS; n = 99) | |||
|---|---|---|---|---|
Nasal Polyps | Present: N = 50 | Absent: N = 49 | ||
2nd Decision | Nasal Polyps with Aspirin Sensitivity (NPasa) | Nasal Polyps with Other Features (NPother) | CRS without (s) Nasal Polyps (CRSsNP) | Osteomeatal Complex Disease (OMC) |
Aspirin Sensitivity | 17/17 (100%) (airways) | 0/33 (0%) [<10-9] (airways) | 1/28 (4%) [<10-9] (urticaria) | 1/21 (5%) [<10-9] (urticaria) |
May CT Scan Grade A | 3.35 (3.02 to 3.69) | 3.10 (2.85 to 3.34) ¶¶ | 2.43 (2.22 to 2.64) §§§ †¶ | 1 (1 to 1) §§§ |
Blood Eos > 4% B | 11/17 (65%) | 13/33 (39%) | 9/27 (33%) [0.03] | 4/20 (20%) [0.006] |
% Males | 4/17 (24%) | 12/33 (36%) | 8/28 (29%) | 3/21 (14%) |
Age (yr) C | 53.0 (48.1 to 57.9) | 43.7 (39.1 to 48.3) § | 40.5 (35.7 to 45.4) §§ | 46.7 (39.4 to 54.1) |