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Table 3 Characteristics of Dutch allergy study population; cow’s milk allergy (CMA), former CMA and controls

From: Genetic susceptibility for cow’s milk allergy in Dutch children: the start of the allergic march?

  CMA Control P
N (♀) 20 (8) 20 (10) NS
Age diagnosis CMA ± SDa 6.5 ± 2.5 NA NA
Age at Sampling ± SDa 11.8 ± 4.9 17.2 ± 7.1 0.008
N of children with CMP specific sIgE >0.35 kU/Lb 7 1 0.044
Mean CMP specific sIgE value ± SD (kU/L) 1.15 ± 3.6 0.16 ± 0.64 NS
Range IgE value (kU/L) 16.4 2.9 NA
  Former CMA Control P
N (♀) 10 (0) 13 (0) NA
Age diagnosis CMA ± SDa 5.8 ± 2.2 NA NA
Age at Sampling ± SDa 18.0 ± 5.6 17.2 ± 4.3 NS
Age at Tolerance ± SDa 17.2 ± 3.9 NA NA
N sIgE >0.35 kU/Lb 0 0 NA
  1. CMA cow’s milk allergy, N number, CMP cow’s milk protein, SD standard deviation, NA not applicable, NS not significant, sIgE serum specific IgE
  2. aage in months ANOVA
  3. bFisher’s exact test, 2-sided