Screening for cystic fibrosis

Lyon, I.C.; Crossley, J.R.; Smith, P.A.

New Zealand Medical Journal 96(739): 673-675

1983


ISSN/ISBN: 0028-8446
PMID: 6577337
Document Number: 216887
During a 12 month period all New Zealand newborns were screened for cystic fibrosis using the Crossley test. Of 49 056 babies tested 522 had a raised blood immunoreactive trypsin level and follow-up testing indicated 19 persistent elevations. Clinical and laboratory studies indicated 14 cases of cystic fibrosis giving an apparent incidence of 1:3500.

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