Table 4.

Concentrations of total IgE among 1659 Italian military cadets according to atopy and an index of exposure toToxoplasma gondii, Helicobacter pylori, and hepatitis A virus. Values are geometric mean (SD) unless stated otherwise

Total IgE concentration (kU/l)
index of exposureAllAbsent atopy (<0)*Low atopy (0 to <1.2)*High atopy≤1.2)*
n=1659n=1096n=296n=267
088.9 (4.5)45.7 (3.6)158.1 (3.1)417.8 (2.5)
176.9 (4.1)49.0 (3.5)123.3 (3.0)371.5 (2.7)
2 or 374.5 (3.8)50.2 (3.3)177.4 (2.9)423.6 (2.5)
F value2.370.532.300.47
P value0.090.590.100.62
  • * Logarithm of ratio units=log (fluorescence units in sample/fluorescence units in reference serum).

  • † From analysis of variance.