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Journal Article
Research Support, Non-U.S. Gov't
Clinical accuracy of anti-tissue transglutaminase as screening test for celiac disease under 2 years.
Acta Paediatrica 2011 May
AIM: To investigate, in patients with suspected celiac disease (CD) younger than 2 years, the clinical value of anti-tissue transglutaminase (tTG) in diagnostic work-up of CD.
METHODS: Between June 2005 and June 2009, 169 patients aged <2 years, with symptoms suggestive of CD, were submitted to biopsy. CD diagnosis was based on the revised criteria of the European Society for Pediatric Gastroenterology, Hepatology and Nutrition.
RESULTS: Of the 169 patients enrolled, 155 were included: 108 of them showed mucosal atrophy and 47 negative histology. Sensitivity and specificity of tTG, at the cut-off of 8 AU/mL, were 0.96 (CI 0.91-0.99) and 0.91 (CI 0.80-0.98), respectively, with likelihood ratio (LR) of 11.31; at the cut-off of 16 AU/mL, they were 0.79 (CI 0.70-0.86) and 1.00, respectively (CI 0.92-1.00), with LR 4.50.
CONCLUSIONS: In patients younger than 2 years, suspected for CD, tTG is very valuable in selecting for small intestinal biopsy.
METHODS: Between June 2005 and June 2009, 169 patients aged <2 years, with symptoms suggestive of CD, were submitted to biopsy. CD diagnosis was based on the revised criteria of the European Society for Pediatric Gastroenterology, Hepatology and Nutrition.
RESULTS: Of the 169 patients enrolled, 155 were included: 108 of them showed mucosal atrophy and 47 negative histology. Sensitivity and specificity of tTG, at the cut-off of 8 AU/mL, were 0.96 (CI 0.91-0.99) and 0.91 (CI 0.80-0.98), respectively, with likelihood ratio (LR) of 11.31; at the cut-off of 16 AU/mL, they were 0.79 (CI 0.70-0.86) and 1.00, respectively (CI 0.92-1.00), with LR 4.50.
CONCLUSIONS: In patients younger than 2 years, suspected for CD, tTG is very valuable in selecting for small intestinal biopsy.
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