Table 2. Transmitted infection possibility of Helicobacter spp., Helicobacter pylori, Helicobacter felis and Helicobacter bizzozeronii in veterinarian risk factor.

		Helicobacter spp. a)		Helicobacter pylori b)		Helicobacter felis c)		Helicobacter bizzozeronii d)		Species Subtotal	Total
		Negative	Positive	Negative	Positive	Negative	Positive	Negative	Positive
Veterinarian	Negative	10	31	20	21	31	10	28	13	41	164
	Positive	8	35	11	32	35	8	23	20	43	172

a) Pearson’s χ² test with Yates’ continuity correction: χ²=0.14, P=not significant, Fisher’s exact test for count data: odds ratio=1.40, P=not significant.

b) Pearson’s χ² test with Yates’ continuity correction: χ²=3.59, P<0.05, Fisher’s exact test for count data: odds ratio=2.73, P<0.05. c) Pearson’s χ² test with Yates’ continuity correction: χ²=0.14, P=not significant, Fisher’s exact test for count data: odds ratio=0.71, P=not significant. d) Pearson’s χ² test with Yates’ continuity correction: χ²=1.35, P=not significant, Fisher’s exact test for count data: odds ratio=1.85, P=not significant.