Table 6 Correlation between mean total symptom score and grass or birch pollen concentration for children living < 30 KM and > 30 KM from the pollen measuring station
From: Clinical response to varying pollen exposure in allergic rhinitis in children in The Netherlands
Variable | Spearman’s Rho | 95% Confidence interval | P-value |
|---|---|---|---|
< 30KM Birch pollen | 0.109 | 0.084–0.133 | 0.000 |
> 30KM Birch pollen | 0.185 | 0.127–0.242 | 0.000 |
< 30KM Grass pollen | 0.367 | 0.345–0.389 | 0.000 |
> 30KM Grass pollen | 0.339 | 0.284–0.392 | 0.000 |