Table 1. Baseline clinical characteristics of the study subjects.
| Variables | Treatment group (n = 26) | Control group (n = 13) | P value | |
|---|---|---|---|---|
| Age (yr) | 67.0 ± 5.8 | 67.2 ± 6.5 | 0.956 | |
| Height (cm) | 163.6 ± 7.3 | 161.6 ± 6.7 | 0.436 | |
| Sex (male) | 15 (57.7) | 7 (53.8) | 1.000 | |
| Weight (kg) | 64.9 ± 9.9 | 63.8 ± 9.9 | 0.746 | |
| Current smoker | 6 (23.1) | 1 (7.7) | 0.388 | |
| Atopic dermatitis | 5 (19.2) | 1 (7.7) | 0.643 | |
| Food allergy | 3 (11.5) | 0 (0.0) | 0.538 | |
| Diagnosis of rhinitis (yr) | ||||
| 20 < age > 40 | 1 (3.8) | 1 (7.7) | 1.000 | |
| > 40 | 25 (96.2) | 12 (92.3) | 1.000 | |
| Asthma | 17 (65.4) | 12 (92.3) | 0.119 | |
| Baseline FEV1 (mL) | 2,419.6 ± 664.2 | 2,243.3 ± 527.1 | 0.425 | |
| Total IgE (IU/L) | 611.82 ± 923.14 | 581.09 ± 786.78 | 0.599 | |
| Specific IgE to Dp (IU/L) | 5.07 ± 9.29 | 5.06 ± 8.22 | 0.998 | |
| Specific IgE to Df (IU/L) | 12.41 ± 21.77 | 8.07 ± 9.64 | 0.541 | |
| Wheal size of Dp (mm) | 5.03 ± 4.79 | 6.667 ± 3.77 | 0.225 | |
| Wheal size of Df (mm) | 5.27 ± 3.92 | 5.500 ± 3.31 | 0.883 | |
Data are expressed as mean ± standard deviation or number (%).
FEV1, forced expiratory volume in 1 second; IgE, immunoglobulin E; Dp, Dermatophagoides pteronyssinus; Df, Dermatophagoides farinae.