Frequencies of the expression of main protein antigens from Helicobacter pylori isolates and production of specific serum antibodies in infected patients

Table 4 Distribution of the expressions of seven antigens in H pylor strains isolated from the biopsies and the specific antibodies in sera of H pylori-infected patients.

Diseases	Strains/ Patients (n)	Antigen positive (n) / antibody positive (n)
		UreB	VacAabc	CagA1	HpaA	NapAdf	FlaA	FlaB
Chronic gastritisa	68/68	68/68	35/22	62/59	68/56	61/61	68/66	67/60
Superficialf	48/48	48/48	23/18	45/43	48/41	45/45	48/48	47/44
Activeb,c,d	10/10	10/10	9/2	9/9	10/8	10/10	10/10	10/9
Atrophy	10/10	10/10	3/2	8/7	10/7	6/6	10/8	10/7
Peptic ulcer	57/57	57/57	47/31	54/53	57/46	56/56	57/57	57/56
Gastric	12/12	12/12	9/6	11/11	12/10	11/11	12/12	12/11
Duodenal	39/39	39/39	32/21	38/37	39/31	39/39	39/39	39/39
Gastric+Duodenal	6/6	6/6	6/4	5/5	6/5	6/6	6/6	6/6
Total	125/125	125/125	82/53	116/112	125/102	117/117	125/123	124/116

The expression of VacA: ^bP<0.01 vs peptic ulcer, ^aP<0.05 vs superficial gastritis, ^dP<0.01 vs atrophy gastritis. The expression of NapA: ^cP<0.05 vs atrophy gastritis, ^fP<0.01 vs atrophy gastritis.