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Table 2 Persistence of AD and appearance of RC and/or asthma in relation to cow's milk 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
Milk sensitization Absent 102 46 28 13
(specific IgE > 0.35 KU/L)    45,1%(35,4-54,8) 27,5%(18,8-36,1) 12,7%(6,3-19,2)
  Present 74 38 20 17
    51,4%(40,0-62,7) 27,0%(16,9-37,1) 23,0%(13,4-32,6)
Milk sensitization Absent 137 62 38 24
(specific IgE 0.35-2 KU/L)    45%(36.9-53.6) 28%(20.2-35.2) 18%(11.2-23.9)
  Present 39 22 10 6
    56%(40.8-72.0) 26%(11.9-39.3) 15%(4.1-26.7)
Milk sensitization Absent 141 68 38 19
(specific IgE > 2 KU/L)    48%(40.0-56.5) 27%(19.6-34.3) 13%(7.8-19.1)$
  Present 35 16 10 11
    46%(29.2-62.2) 29%(13.6-43.5) 31%(16.0-46.8)$
Milk sensitization Absent 128 56 35 16
(PRICK)    43.8%(35.2-52.3) 27.3%(19.6-35.1) 12.5%(6.8-18.2)&
  Present 48 28 13 14
    58.3%(44.4-72.3) 27.1%(14.5-39.7) 29.2%(16.3-42.0)&
  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 < 0.01