Celiac.com 06/04/2010 - A team of researchers recently set out to assess the positive predictive value of blood test screening for possible cases of celiac disease.

The team included Peter Toftedal, Christian Nielsen, Jonas Trolle Madsen, Kjell Titlestad, Steffen Husby, and Søren Thue Lillevang. They are affiliated with the Hans Christian Andersen Children's Hospital, and the Department of Clinical Immunology of Odense University Hospital in Denmark. P. Toftedal and Ch. Nielsen made contributions to the final published article.

In deciding which possible celiac disease cases might require duodenal biopsy, doctors rely mainly on tests for celiac disease antibodies, such as immunoglobulin A (IgA) anti-tissue transglutaminase (anti-tTG), IgA