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Table 3 Diary recorded during birch pollen season (median, upper and lower quartiles).

From: Systemic and local eosinophil inflammation during the birch pollen season in allergic patients with predominant rhinitis or asthma

  Allergic rhinitis Allergic asthma p-value
Symptom score    
   Nose and eyes 2.4 (1.1, 3.9) 3.8 (1.9, 4.9) 0.37
   Respiratory 1.3 (0, 4.2) 1.3 (0.4, 2.0) 0.83
   Total 3.8 (2.4, 6.7) 4.2 (3.0, 6.9) 0.67
Medication score    
   Oral anti-histamine 1 (1, 1) 1 (0, 1.1) 0.67
   Topical * 1.75 (0.25, 2) 0.9 (0, 2.6) 0.83
   Beta-2-agonists 0 (0, 0) 0.6 (0.2, 1.9) 0.006*
   Total 3 (1.2, 3.5) 2.7 (0.5, 5.6) 0.79
Lung function    
   Morning PEFR (L/min) 575 (550, 620) 475 (433, 551) 0.020
   Evening PEFR (L/min) 610 (555, 630) 478 (449, 551) 0.005
   ΔFEV1 ** -0.07 (-0.37, 0.2) -0.21 (-0.43, -0.16)) 0.26
  1. * Topical medication: anti-histamines and/or cromones
  2. ** Change in FEV1 in % compared with before-season spirometry