Intrinsic Factors Influencing the Infection by Helminth Parasites in Horses under an Oceanic Climate Area (NW Spain)

Table 2

Prevalences of helminth parasites in 418 horses from an oceanic climate area (NW Spain). Results are expressed as the percentage and the 95% Confidence Interval (CI). Spanish Sport Horse (SSH), Spanish Pure Breed (SPB), English Pure Breed (EPB), autochthonous Pura Raza Galega (PRG).

		Ascarids	Strongyles	Oxyurids	Cestoda
Age	<3	22	93	1	0
		(18, 26)	(90, 96)	(0, 2)
	3–10	6	91	2	2
		(4, 8)	(88, 94)	(1, 3)	(1, 3)
	>10	12	81	6	1
		(9, 15)	(77, 85)	(4, 8)	(0, 2)
	𝜒^2	15.842	8.732	5.584	2.228
	𝑝	0.001	0.0013	0.061	0.328
Breed	SSH	0	0	0	0
	SPB	5	19	0	0
		(3, 7)	(15, 23)
	EPB	34	98	5	1
		(29, 39)	(97, 99)	(3, 7)	(0, 2)
	PRG	5	100	2	2
		(3, 7)		(1, 3)	(1, 3)
	𝜒^2	64.960	366.936	2.87	0.976
	𝑝	0.001	0.001	0.412	0.807
Sex	Male	12	90	3	2
		(9, 15)	(87, 93)	(1, 5)	(1, 3)
	Female	2	84	0	0
		(1, 3)	(80, 88)
	𝜒^2	7.244	3.333	2.799	1.508
	𝑝	0.007	0.068	0.094	0.219