Table 5.

Correlation between the PCR-positive results obtained in the different stomach regions and the gastric histological findings in pigs

		Erosion			Ulceration			Hyperplasia			Fibrosis
	n/N	10/57	r	p	3/57	r	p	31/57	r	p	2/57	r	p
Pars oesophagea
H. pylori-like	28/57	1/10	−0.11	0.40	1/3	−0.03	0.81	14/31	0.04	0.64	2/2	0.20	0.13
H. suis	7/57	1/10	−0.03	0.83	0	−0.08	0.57	4/31	0.04	0.77	0	−0.07	0.63
H. felis	0/57	0	–	–	0	–	–	0	–	–	0	–	–
F. gastrosuis	12/57	2/10	−0.04	0.74	0	−0.12	0.39	7/31	−0.01	0.93	0	–0.10	0.46

	n/N	4/69	r	p	0	r	p	0	r	p	4	r	p
Oxyntic mucosa
H. pylori-like	10/69	0	−0.10	0.40	0	–	–	0	–	–	0	−0.21	0.08
H. suis	25/69	2/4	0.07	0.56	0	–	–	0	–	–	2/4	0.0	0.16
H. felis	2/69	1/4	0.33	< 0.01	0	–	–	0	–	–	1/4	0.15	0.19
F. gastrosuis	4/69	1/4	0.20	0.09	0	–	–	0	–	–	1/4	0.08	0.51

	n/N	13/66	r	p	21/66	r	p	2/66	r	p	44/66	r	p
Antral mucosa
H. suis	29/66	5/13	−0.02	0.85	10/21	0.13	0.31	1/2	−0.04	0.78	16/44	0.02	0.86
H. pylori-like	3/66	2/13	0.23	0.02	0	−0.01	0.31	0	−0.04	0.77	1/44	−0.02	0.86
H. felis	0/66	0	–	–	0	–	–	0	–	–	0	–	–
F. gastrosuis	10/66	2/13	−0.11	0.36	4/21	0.31	0.011	1/2	0.08	0.50	3/44	−0.20	0.11

r: Pearson correlation coefficient.

p: p-value ≤ 0.05 was considered to be significant.