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Table 2 Comparative results of acid fast staining and IS900 PCR

From: Prevalence of Mycobacterium avium subspecies paratuberculosis IS 900 DNA in biopsy tissues from patients with Crohn’s disease: histopathological and molecular comparison with Johne’s disease in Fars province of Iran

Groups Tissues Sample Numbers(n) Positive AFS Positive IS900 PCR
Ileum Cecum Colon Total Ileum Cecum Colon Total
CD 30 0% 13% 6% 7%(2/30) 50% 60% 53% 47%(14/30)
nIBD 30 0% 0% 0% 0%(0/30) 0% 3% 13% 13%(4/30)
JD 30 77% 83% 30% 90%(27/30) 63% 50% 40% 70%(21/30)
Healthy goat kids 30 0% 0% 0% 0%(0/30) 0% 0% 0% 0%(0/30)
  1. AFS Acid fast staining, CD Crohn’s disease, nIBD Non-inflammatory bowel disease, JD Johne’s disease