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Table 1 Characteristics of the patients sensitized to dog/cat allergens (total no. = 723)

From: Allergic sensitization to common pets (cats/dogs) according to different possible modalities of exposure: an Italian Multicenter Study

  No (%)
Age range (years)
 0–20 202 (28.0)
 21–40 318 (44.0)
 41–60 159 (22.0)
 > 60 44 (6.0)
Sex: male/female 384/339 (53.1/46.8)
Family history of atopy (yes/no)a 358/365 (49.5/50.4)
Intermittent/mild persistent asthmab 137 (17.2)
Moderate/severe persistent asthmab 80 (10.1)
Intermittent/mild persistent rhinitisb 274 (34.4)
Moderate/severe persistent rhinitisb 305 (38.3)
Allergic sensitization to common pets
 Dog 160 (22.1)
 Cat 256 (35.4)
 Dog/cat 307 (42.5)
 Allergic sensitization only to cat/dog 0 (0)
Age of onset of respiratory symptoms (years)
 0–20 493 (68.2)
 21–40 176 (24.3)
 41–60 51 (7.1)
 > 60 3 (0.4)
Smoking habit
 Never 479 (66.3)
 Actual 105 (14.5)
 Past 79 (10.9)
 Passive smoke only 60 (8.3)
Previous immunotherapy
 No 622 (86.0)
 Yes (none for pets) 101 (14.0)
  1. aAt least one parent with history of asthma/allergic rhinitis/atopic dermatitis/food allergy
  2. bDiagnosis of asthma and/or rhinitis (the majority of patients have shown both symptoms)