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Table 1 Serologic testing in patients sent for duodenal biopsy

From: Limited utilization of serologic testing in patients undergoing duodenal biopsy for celiac disease

   Biopsy result
  N Celiac IVA Other NEG
No serology prior to biopsy 977 1.6% 6.2% 7.6% 84.5%
Pre-biopsy serology      
Positive serology 68 35.3% 10.3% 2.9% 51.5%
Negative serology 387 1.0% 4.4% 8.3% 95.3%
  1. N = total number of biopsies in each serologic category. Biopsy results refer only to findings from the duodenal biopsy. IVA = intact villous architecture with intra-epithelial lymphocytes. Findings consistent with celiac disease were significantly higher in patients with positive pre-biopsy serologic results when compared to either group (p < 0.001, Fisher’s exact test).