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Table 1 Persistence of AD and appearance of RC and/or asthma in relation to food sensitization and inhalant sensitization assessed through sIgE (levels of IgE > 0.35 KU/L, between 0.35 and 2 KU/L and > 2 KU/L), and through SPT at first observation.

From: Does improvement management of atopic dermatitis influence the appearance of respiratory allergic diseases? A follow-up study

Variables Category N AD persistence RC appearance Asthma appearance
Food sensitization Absent 73 30 21 9
(specific IgE > 0.35 KU/L)    41%(29.8-52.4) 29%(18.4-39.2) 12%(4.8-19.9)
  Present 103 54 27 21
    52%(42.8-62.1) 26%(17.7-34.7) 20%(12.6-38.2)
Food sensitization Absent 130 57 39 24
(specific IgE 0.35-2 KU/L)    44%(35,3-52,4) 30%(22,1-37,9) 18%(11,8-25,1)
  Present 46 27 9 6
    59%(44,5-72,9) 20%(8,1-31,0) 13%(3,3-22,8)
Food sensitization Absent 119 57 30 15
(specific IgE > 2 KU/L)    48%(38.9-56.9) 25%(17.4-33.0) 13%(6.6-18.6)$
  Present 57 27 18 15
    47%(34.4-60.3) 32%(18.5-43.6) 26%(14.9-37.7)$
Food sensitization Absent 79 33 22 6
(PRICK)    41.8%(30.9-52.6) 27.8%(18.0-37.7) 7.6%(1.8-13.4)£
  Present 97 51 26 24
    52.6%(42.6-62.5) 26.8%(18.0-35.6) 24.7%(16.2-33.3)£
Inhalant sensitization Absent 140 62 37 19
(specific IgE > 0.35 KU/L)    44%(36,1-52,5) 26%(19,1-33,7) 14%(7,9-19,9)$
  Present 36 22 11 11
    61%(45,2-77,0) 31%(15,5-45,6) 31%(15,5-45,6)$
Inhalant sensitization Absent 163 79 41 27
(PRICK)    48.5%(40.8-56.1) 25.2%(18.5-31.8)$ 16.6%(10.9-22.3)
  Present 13 5 7 3
    38.5%(12.0-64.9) 53.8%(26.7-80.9)$ 23.1%(0.2-46.0)
  1. Confidence intervals 95% for each item.
  2. Atopic Dermatitis (AD), Rhinoconjunctivitis (RC), Immunoglobulin E (IgE).
  3. $ Fisher's exact test; P < 0.05
  4. £ Fisher's exact test; P < 0.005