| Baseline | 2nd year | p value |
---|---|---|---|
Nasal and eye symptoms | 1.67 (1.5–2.0) | 0.67 (0–1.17) * | 0.0141 |
QOL related questionnaires | |||
 Usual daily activities | 1.0 (0.8–1.4) | 0 (0–0.8) | 0.0575 |
 Outdoor activities | 1.0 (0.5–2.0) | 0 (0–0.5) * | 0.0350 |
 Social functioning | 0.67 (0.33–1.0) | 0 (0–0) | 0.584 |
 Impaired sleeping | 2.0 (1.0–2.0) | 0 (0–1.0) | 0.0655 |
 Physical problems | 1.0 (1.0–2.0) | 0 (0–1.0) | 0.114 |
 Emotional functions | 1.0 (0.5–1.5) | 0 (0–0) | 0.106 |
General state | 4.0 (3.8–4.0) | 2.0 (1.0–2.0) * | 0.0498 |