Table 1.
Clinical characteristics of the study subjects.
| Symptoms | Total subjects (n=40) n (%) Positive symptoms at the start of studyb |
Case (n=20) n (%) |
Control (n=20) n (%) |
P valuea |
|---|---|---|---|---|
|
| ||||
| Nasal itchiness | 40 (100) | 20 (100) | 20 (100) | >.05 |
| Nasal blockage | 39 (97.5) | 19 (95) | 20 (100) | |
| Rhinorrhea | 39 (97.5) | 19 (95) | 20 (100) | |
| Sneezing | 39 (97.5) | 20 (100) | 19 (95) | |
| Eye itchiness | 38 (95) | 18 (90) | 20 (100) | |
| Palate itchiness | 35 (87.5) | 18 (90) | 17 (85) | |
| Hyposmia | 34 (85) | 17 (85) | 17 (85) | |
| Family history of AR | 22 (55) | 10 (50) | 12 (60) | .520 |
| Concurrent asthma | 15 (37.5) | 10 (10) | 5 (25) | .102 |
| ARIA classification | ||||
| Mild intermittent | 8 (20) | 3 (15) | 5 (25) | df=3, P=.876 |
| Moderate-severe intermittent | 4 (10) | 2 (10) | 2 (10) | |
| Mild persistent | 7 (17.5) | 4 (20) | 3 (15) | |
| Moderate-severe persistent | 21 (52.5) | 11 (55) | 10 (50) | |
| Positive skin prick test | ||||
| House dust mite | 39 (97.5) | 20 (100) | 19 (95) | >.05 |
| Peanut | 37 (92.5) | 17 (85) | 20 (100) | |
| Cat | 36 (90) | 18 (90) | 18 (90) | |
| Wheat flour | 34 (85) | 19 (95) | 15 (75) | |
| Mucor mucedo | 29 (72.5) | 13 (65) | 16 (80) | |
AR: Allergic rhinitis, df: degree of freedom,
a
Chi-square analysis of the difference between the case and control group.
b
Positive symptom is when the subject reported a score of at least 3 (mild, easily tolerable symptom).