RT Journal Article
SR Electronic
T1 Birth distribution in cystic fibrosis in Saguenay-Lac-St-Jean, Quebec, Canada.
JF Journal of Medical Genetics
JO J Med Genet
FD BMJ Publishing Group Ltd
SP 613
OP 614
DO 10.1136/jmg.28.9.613
VO 28
IS 9
A1 J Daigneault
A1 G Aubin
A1 F Simard
A1 M De Braekeleer
YR 1991
UL http://jmg.bmj.com/content/28/9/613.abstract
AB Although a seasonal trend in the birth distribution has been reported in cystic fibrosis (CF), this finding is still very controversial. The birth distribution of 113 patients with cystic fibrosis born in Saguenay-Lac-St-Jean (complete ascertainment) was analysed using two different statistical methods. Our results showed no monthly or seasonal birth variation. It is likely that a bias owing to incomplete ascertainment might explain why some previous studies found a seasonal trend in the birth distribution of cystic fibrosis.