Table 1. Baseline levels.
| Parameter | NAR (n=262) | AR (n=377) | Control (n=264) | P value |
|---|---|---|---|---|
| Age (yrs) | 29.80±13.23 | 28.04±11.31 | 28.28±13.02 | 0.186 |
| Females (No., %) | 154, 58.8% | 201, 53.3% | 154, 58.3% | 0.292 |
| Height (cm) | 163.75±8.90 | 163.73±8.85 | 164.60±8.66 | 0.353 |
| Weight (kg) | 58.17±11.68 | 56.79±10.39 | 58.01±10.63 | 0.263 |
| BMI (kg/m2) | 22.38±8.74 | 21.72±7.98 | 21.69±6.65 | 0.208 |
| Moderate-to-severe rhinitis (No., %) | 117, 44.7% | 162, 43.0% | − | 0.733 |
The definition of moderate-to-severe rhinitis was based on ARIA 2008 criteria. For all subjects, the exclusion criteria were: (I) a history of asthma, wheezing, chronic cough or other chronic respiratory diseases; (II) acute upper respiratory tract infections within 8 weeks; (III) a history of nasal or facial trauma; (IV) significant nasal septum deviation under endoscopic examination; (V) pregnancy or lactation. NAR, non-allergic rhinitis; AR, allergic rhinitis.