Table 1.
Characteristic based on each group.
| Characteristic | Healthy control (n = 145, 37.4%) | CRSsNP (n = 110, 28.3%) | CRSwNP (n = 133, 34.3%) | p value |
|---|---|---|---|---|
| Age, years (range) | 40.7 (15–84) | 51.1 (14–85) | 51.4 (8–87) | |
| Sex, n (%) | ||||
| Male | 105 (72.4) | 66 (60.0) | 100 (75.2) | |
| Female | 40 (27.6) | 44 (40.0) | 33 (24.8) | |
| Current smoker, n (%) | 25 (17.2) | 27 (24.5) | 46 (34.6) | 0.004 |
| Asthma history, n (%) | 8 (5.5) | 11 (10.0) | 24 (18.0) | 0.004 |
| Serum neutrophil, % (SD) | 57.28 (10.45) | 57.38 (9.94) | 57.60 (10.45) | 0.996 |
| Serum eosinophil, % (SD) | 2.54 (1.92) | 3.08 (2.55) | 3.86 (2.91) | 0.000 |
| Total IgE, kU/L (SD) | 96.54 (65.66) | 100.55 (69.48) | 131.63 (72.82) | 0.000 |
| SEA/SEB positive, n (%) | 10 (6.9) | 11 (10.0) | 22 (16.5) | 0.035 |
| Serum levels of Staphylococcus aureus enterotoxin, kU/L (SD) | 0.09 (0.30) | 0.13 (0.49) | 0.51 (2.18) | 0.019 |
| Olfactory function test (%) | 0.000 | |||
| Normosmia | 49 (33.8) | 29 (26.4) | 16 (12.0) | |
| Hyposmia | 82 (56.5) | 56 (50.9) | 57 (42.9) | |
| Anosmia | 14 (9.7) | 25 (22.7) | 60 (45.1) | |
| Olfactory function test scores (SD) | 19.83 (4.44) | 17.79 (5.21) | 14.30 (6.11) | 0.000 |
| Threshold scores | 3.16 (2.20) | 2.45 (1.79) | 1.99 (1.64) | 0.000 |
| Discrimination scores | 6.20 (2.22) | 5.64 (2.46) | 4.56 (2.31) | 0.000 |
| Identification scores | 10.47 (2.18) | 9.70 (2.99) | 7.75 (3.75) | 0.000 |
| Taste function test (%) | 0.280 | |||
| Normogeusia | 106 (73.1) | 75 (68.2) | 83 (62.4) | |
| Hypogeusia | 33 (22.8) | 30 (27.3) | 46 (34.6) | |
| Aguesia | 6 (4.1) | 5 (4.5) | 4 (3.0) | |
| Taste function test scores (SD) | 14.05 (4.88) | 13.50 (5.08) | 12.93 (4.67) | 0.163 |
CRSsNP chronic rhinosinusitis without polyps, CRSwNP chronic rhinosinusitis with polyps, SEA Staphylococcus enterotoxin A, SEB Staphylococcus enterotoxin B.
Bold text indicates statistical significance (p < 0.05).