The role of Helicobacter suis, Fusobacterium gastrosuis, and the pars oesophageal microbiota in gastric ulceration in slaughter pigs receiving meal or pelleted feed

Table 6 Logistic regression analyses to determine risk factors for the severity of gastric lesions in the pars oesophagea

	Potential risk factor	OR (95% CI)	p-value
Simple logistic regression model	Presence of H. suis in the fundic or pyloric gland zone (vs. no presence of H. suis)	1.03 (0.52–2.08)	0.92
Simple logistic regression model	Infectious load of H. suis in fundic gland zone (ln #/mg gastric tissue)	1.16 (1.02–1.32)	0.027
Simple logistic regression model	Infectious load of H. suis in pyloric gland zone (ln #/mg gastric tissue)	1.15 (1.03–1.3)	0.020
Simple logistic regression model	Infectious load of F. gastrosuis (ln #/mg gastric tissue)	0.79 (0.69–0.9)	0.00078
Final logistic regression model	Infectious load of H. suis in pyloric gland zone (ln #/mg gastric tissue) Infectious load of F. gastrosuis (ln #/mg gastric tissue)	1.14 (1.01–1.28) 0.8 (0.7–0.91)	0.038 0.0014

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