From: Impact of meteorological variation on hospital visits of patients with tree pollen allergy
Total | Patients with tree pollen allergy | Patients without tree pollen allergy | |
---|---|---|---|
N | 4,715 | 965 | 3,750 |
Age (years) | |||
Mean | 38.4 | 35.4 | 39.1 |
SD | 13.4 | 11.7 | 13.7 |
Sex, men | |||
n | 2,206 | 520 | 1,686 |
% | 46.8 | 53.9 | 45.0 |