Table 1 Demographic and clinical findings of the enrolled pediatric population

N. evaluated children

91

Age (years) (mean/SD*)

7.4 ± 2.3

 1–3 years old

20

 3–6 years old

42

 6–12 years old

29

Gender Male/Female

47/44

N. of children with family history of atopy/ without family history of atopy

49/42

N. of children with allergy/without allergy

35/56

N. of children exposed smoke/ unexposed smoke

45/46