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Table 5 CD serology – Accreditation of laboratories.

From: Symptoms and signs in individuals with serology positive for celiac disease but normal mucosa

Laboratory Analyses Accreditation Date Number of serology tests Accredited proportion*
  Endomysial (IgA) 29-jan-98 6,755 95.5
Örebro Gliadin (IgA) 29-jan-98 3,737 91.9
  Transglutaminase (IgA) 19-dec-01 2,974 95.7
Karolinska Solna and Huddinge§ Endomysial (IgA) 1996 8,243 98.0#
  Gliadin (IgA) 1995 28,422 95.7#
  Transglutaminase (IgA) 2002 20,042 93.4#
Sahlgrenska and Östra Hospitals§ Endomysial (IgA) 1997 10,855 98.4#
  Gliadin (IgA) 1997 17,426 72.2#
  Transglutaminase (IgA) 12-jun-03 1,100 100.0
Lund and Malmö Hospitals§ Endomysial (IgA) 19-dec-96 18,884 91.9
  Gliadin (IgA) 19-dec-96 14,910 79.5
  Transglutaminase (IgA) 2001 2,268 99.8#
Uppsala Gliadin (IgA) 1999 7,166 33.8#
  Endomysial (IgA) 1999 3,470 65.1#
  Transglutaminase (IgA) 1999 1,675 100#
  1. *Proportion of IgA serology samples analyzed after accreditation date. IgG serology samples are not accredited in Sweden.
  2. §Accreditation dates were the same for laboratories from the same university city/region (listed together above).
  3. #When estimating the proportion of IgA CD serology samples analyzed after accreditation date, we have assumed that accreditation took place on the 1st of July the relevant year.