Table 6

Allele frequencies (%) of the most frequent RET polymorphisms in SSA and LSA patients and in patients with and without mutation in RET

CodonSNP (allele)Sporadic cases of Hirschsprung’s disease
LSA (n = 14) v SSA (n = 73)Without mutation (n = 71) v with mutation (n = 16)
LSA, long segment aganglionosis; SNP, single nucleotide polymorphism; SSA, short segment aganglionosis.
A45Ac135G>A (A)67.8 v 73.9 (χ2 = 0.45, p = 0.50)70.4 v 84.3 (χ2 = 2.6, p = 0.10)
A432Ac1296G>A (A)25 v 9.5 (χ2 = 5.26, p = 0.02)12.6 v 15.6 (χ2 = 0.47, p = 0.50)
L769Lc2307T>G (G)78.5 v 74.6 (χ2 = 0.19, p = 0.66)87.5 v 64.8 (χ2 = 2.9, p = 0.08)