Table 4 Risk factors for positivity to vector-borne agents and combined parameters in CVBD-suspect dogs

Positivity to D. immitis

   Age > 12 months

= 0.997

1.5⁸

0.0-ND

   Outdoor or mixed lifestyle

= 0.073

6.2

0.8-46.1

   Positivity to E. canis

= 0.036

2.0

1.0-3.7

Positivity to E. canis

   Age > 12 months

= 0.088

3.5

0.8-15.1

   Positivity to D. immitis

= 0.085

1.8

0.9-3.5

   Positivity to Anaplasma spp.

< 0.001

6.1

3.5-10.9

Positivity to Anaplasma spp.

   Non-use of ectoparasiticides

= 0.011

2.2

1.2-4.2

   Positivity to E. canis

< 0.001

7.4

4.0-13.5

Positivity to L. infantum

   Age > 12 months

= 0.030

2.7

1.1-7.4

Positivity to one or more agents

   Age > 12 months

< 0.001

4.2

1.9-9.3

   Outdoor or mixed lifestyle

= 0.004

2.5

1.3-4.7

   Non-use of ectoparasiticides

= 0.022

1.5

1.1-2.1

Positivity to mixed agents

   Age > 12 months

< 0.001

4.4

2.0-9.6

   Outdoor or mixed lifestyle

= 0.003

2.4

1.4-4.3