Table 1

Clinical presentations in the 184 [F508del]+[R117H] compound heterozygous individuals, according to the poly(T) variant

NBS children (n = 72)Non-NBS individuals (n = 112)
Asymptomatic (No. of individuals)CF/CFTR-RD symptoms (No. of individuals)Asymptomatic (No. of individuals)CF/CFTR-RD symptoms (No. of individuals)
R117H;T7 (n = 166)4714:798:
– 1 classical CF– 1 severe DB +CRS +CBAVD
– 3 moderate pulmonary + nasopharyngeal– 1 severe DB+CRS
– 7 moderate pulmonary– 2 DB+CBAVD
– 3 nasopharyngeal– 2 DB
– 7 moderate pulmonary+CRS+CBAVD
– 9 moderate pulmonary+CBAVD
– 4 moderate pulmonary+CRS
– 1 moderate pulmonary+pancreatic+CBAVD
– 7 moderate pulmonary
– 6 CRS+CBAVD
– 3 pancreatic+CBAVD
– 1 CRS
– 2 pancreatic
– 52 isolated CBAVD
R117H;T5 (n = 7)21:13:
– 1 nasopharyngeal– 1 severe DB+CRS
– 1 moderate pulmonary
– 1 isolated CBAVD
R117H;T?‡ (n = 11)62:12:
– 1 moderate pulmonary– 2 isolated CBAVD
– 1 pancreatic
Total55179103
  • CBAVD, congenital bilateral absence of vas deferens; CRS, chronic rhinosinusitis; DB, disseminated bronchiectasis; NBS, newborn screened; Non-NBS, non-newborn screened (individuals who were not referred through newborn screening); R117H;T?, cases where the poly(T) variant was not determined or documented.