PCR-Based Detection and Genotyping of Helicobacter pylori in Endoscopic Biopsy Samples from Brazilian Patients

Table 3

Comparison between PCR and histology test in paraffin biopsy samples.

	Histology	PCR
Positive	59	12
Negative	0	47
Total	59	59
Positive Beta Globin (DNA detection)	—	14
Negative Beta Globin (no DNA detection)	—	45
Total	0	59

*Two paraffin samples were positive for the Beta Globin gene, but negative for the H. pylori gene.