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. 2007 Mar;56(Suppl 2):A1–A145.

Abstract 094 Sensitivity of different biopsy regimes to detect villous atrophy.

Duodenal biopsy numbers Villous atrophy detected if present sensitivity (%) (95% CI) Was the most severe marsh grade detected sensitivity (%) (95% CI)
1,2,3 (regime A) 100 (93.2–100) 94.6 (85.3–98.2)
1,2,3,6 (regime B) 100 (93.2–100) 98.2 (90.6–99.7)
2.3 96.2 (87.2–99.0) 78.6 (66.2–87.2)
2.3.4.5 96.2 (87.2–99.0) 82.1 (70.2–90.0)
6.7.8.9 96.2 (87.2–99.0) 78.6 (66.2–87.2)