Table 1.
Helicobacter Stool Antigen Test (HpSA) for diagnosis of Helicobacter felis in infected cats

Day	H. felis Inoculation	n	Positive reaction1) (Positive percent)
1	Yes	6	0
			(0 %, CI2) 0~39.0)
3	Yes	6	1
			(16.7 %, CI 3.0~56.4)
5	Yes	6	1
			(16.7 %, CI 3.0~56.4)
7	Yes	6	3
			(50.0 %, CI 18.8~81.2)
14	Yes	6	3
			(50.0 %, CI 18.8~81.2)
21	Yes	6	3
			(50.0 %, CI 18.8~81.2)

A positive reaction revealed Helicobacter colonization, which was observed as a red-colored double line.
Incidence percentage (95% confidential interval) was calculated using MiniTab statistical software.