Methylation of DAPK and THBS1 genes in esophageal gastric-type columnar metaplasia

Table 5 Clinical and histopathological data of patients depending on the presence of Helicobacter pylori cagA⁺ infection by PCR, in esophageal biopsies

		Helicobacter pylori infection by PCR		P value
		Negative	Positive
Age (yr)	≤ 40	16	9	0.390
	41-65	14	4
	> 65	20	5
Gender	Feminine	26	7	0.340
	Masculine	24	11
Helicobacter pylori (HE)	Negative	38	8	0.0141
	Positive	12	10
Sydney Classification: Helicobacter pylori	Normal	38	8	0.0141
	Mild	11	6
	Moderate	1	2
	Marked	0	2
Sydney Classification: Neutrophils	Normal	23	5	0.0281
	Mild	25	8
	Moderate	1	4
	Marked	1	1
Sydney Classification: Mononuclear cells	Mild	17	1	0.0211
	Moderate	30	13
	Marked	3	4

¹Statistically significant. HE: Hematoxylin-eosin staining.