Table 4: Relationship between the SNP in the human Il-13 gene and production of IL-13 by the Con A-stimulated peripheral blood leucocytes.

SNPGenotypeProduction of IL-13 (pg/mL) valuea
Asthmatic patients (mean ± SD)Control subjects (mean ± SD)

−1111C>TCC <0.001
CT 0.089
TT <0.001

4257G>AGG 0.068
GA 0.011
AA 0.008

Mann-Whitney test.
SD: standard deviation.