Table 2.

Comparison between households with and without human incident cases with respect to the host-feeding patterns of domestic Triatoma infestans in Amamá, Argentina, 1988–1989 and 1992

			Median host blood indices (first–third quartile)
Date of survey	Households with incident cases	No. of bugs tested	Humans	Dogs	Chickens	Cats
1988–1989	Yes	82	61 (32–92)	87 (78–91)	66 (47–78)	28 (20–33)
	No	69	45 (27–83)	80 (22–100)	50 (25–71)	7 (0–34)
March 1992	Yes	155	33 (21–44)	52 (7–55)	54 (25–85)	4 (3–14)
	No	246	67 (26–76)	45 (26–58)	21 (0–50)	2 (0–25)
October 1992	Yes	35	82 (72–89)	72 (66–74)	25 (20–28)	13 (11–17)
	No	31	50 (0–50)	100 (63–100)	0 (0–0)	0 (0–0)