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Table 2 Comparison of the positivity for Phleum allergenic molecules IgE between groups of patients with different IgE values against timothy grass pollen extract levels

From: Sensitization to timothy grass pollen allergenic molecules in children

  rPhl p 5 IgE Only rPhl p 1 IgE rPhl p 12 IgE
GRASS POLLEN IgE GROUPS χ 2 Yates’ χ 2 p χ 2 Yates’ χ 2 p χ 2 Yates’ χ 2 p
RAST rating 2 vs 3 10.7 9 p < 0.01 11.9 10.1 p < 0.01 -- -- ns
RAST rating 2 vs 4 14.6 12.6 p < 0.01 23.6 21.2 p < 0.01 8.6 6.8 p < 0.01
RAST rating 2 vs 5 33.2 30.4 p < 0.01 47.2 43.7 p < 0.01 11.7 9.8 p < 0.01
RAST rating 2 vs 6 71.6 67.1 p < 0.01 76.4 71.6 p < 0.01 25.1 22.8 p < 0.01
RAST rating 3 vs 4 -- -- ns -- -- ns 9.9 8.1 p < 0.01
RAST rating 3 vs 5 9.5 8.1 p < 0.01 17.8 15.7 p < 0.01 14.1 12.2 p < 0.01
RAST rating 3 vs 6 35.6 32.5 p < 0.01 36.9 33.7 p < 0.01 31.8 29.4 p < 0.01
RAST rating 4 vs 5 6.3 5.2 p < 0.05 7.11 5.7 p < 0.01 -- -- ns
p < 0.05
RAST rating 4 vs 6 29.3 26.6 p < 0.01 20.5 17.8 p < 0.01 9.1 8 p < 0.01
RAST rating 5 vs 6 9.3 7.3 p < 0.01 4.4   p < 0.05 5.1 4.3 p < 0.05