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Table 4 Presence of symptoms, classification of celiac serology and Marsh grading of biopsy histology before and after treatment with Gluten Contamination Elimination Diet

From: Trace gluten contamination may play a role in mucosal and clinical recovery in a subgroup of diet-adherent non-responsive celiac disease patients

Symptoms Pre-Diet: n (%) Post-Diet: n (%)
Asymptomatic 1 (6%) 14 (82%)
Symptomatic 16 (94%) 3 (18%)
Histology Pre-Diet: n (%) Post-Diet: n (%)
Biopsy obtained 12 (71%) 5 (29%)
 Marsh 3  7  1
 Marsh 2  2  
 Marsh 0-1  3  4
Celiac Serology 1 Pre-Diet: n (%) Post-Diet: n (%)
High celiac serology 10 (59%) 2 (12%)
Weak positive celiac serology 3 (18%) 5 (30%)
Negative celiac serology 4 (24%) 10 (59%)
  1. 1 Celiac serology defined as negative, weak positive or high using the cut-offs provided by the ELISA kit manufacturer. Tissue transglutaminase (tTG) IgA was followed in 16/17 patients; anti-endomysial (EMA) IgA was followed in the remaining patient.