Associated Factors to Seroprevalence of Ehrlichia spp. in Dogs of Quintana Roo, Mexico

Table 1

Logistic regression analysis to detect associated factors to anti-Ehrlichia spp. antibody response in 118 dogs from Xcalak, Quintana Roo, Mexico.

Variable	Total	Positive	Prevalence (%)	OR	CI95%	p value
Age
<1 year	29	8	28
1–3 years	42	30	71	7.77	2.23–27.04	0.001
>3 years	47	37	78	15.39	4.13–57.40	<0.001
Ticks
No	57	31	54
Yes	61	44	72	3.13	1.17–8.41	0.023
Thrombocytopenia
No	35	15	43
Yes	83	60	72	3.36	1.28–8.83	0.013
Anemia
No	75	52	69
Yes	43	23	53	0.93	0.32–2.70	0.891

OR: odds ratio; CI_95%: confidence interval (95%); p value: probability.