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Table 1 Prevalence of Dirofilaria immitis antigen and antibodies to Toxoplasma gondii in cats from Madeira Island, Portugal, according to the categories of several independent variables

From: Survey of Dirofilaria immitis antigen and antibodies to Leishmania infantum and Toxoplasma gondii in cats from Madeira Island, Portugal

Variable/category

No. (%) of cats tested

Percentage (n) of D. immitis-positive

Percentage (n) of T. gondii-positive

Municipality

141 (100)

P = 0.654a

P = 0.459b

 Funchal

90 (63.8)

4.4 (4)

27.8 (25)

 Otherj

51 (36.2)

2.0 (1)

35.3 (18)

Age group

139 (98.6)

P = 0.322a

P = 0.007c

 Juvenile [5–11 months]

39 (27.7)

0 (0)

12.8 (5)

 Adult [1–21 years]

100 (70.9)

5.0 (5)

38.0 (38)

Sex

141 (100)

P = 1.0a

P = 0.067d

Female

64 (45.4)

3.1 (2)

39.1 (25)

 Male

77 (54.6)

3.9 (3)

23.4 (18)

Breed

141 (100)

P = 1.0a

P = 0.247a

 Mixed

133 (94.3)

3.8 (5)

29.3 (39)

 Definedk

8 (5.7)

0 (0)

50.0 (4)

Fur length

138 (97.9)

P = 1.0a

P = 0.218e

 Short

101 (71.6)

3.0 (3)

27.7 (28)

 Medium

37 (26.2)

2.7 (1)

40.5 (15)

Housing

138 (97.9)

P = 1.0a

P = 0.081f

 Indoors

34 (24.1)

2.9 (1)

17.6 (6)

 Outdoors or mixed

104 (73.8)

3.8 (4)

35.6 (37)

Clinical statusl

141 (100)

P = 0.134a

P = 0.705g

 Non-suspect

122 (86.5)

2.5 (3)

29.5 (36)

 Suspect

19 (13.5)

10.5 (2)

36.8 (7)

Ectoparasiticidesm

103 (73.0)

P = 0.009a

P = 0.147h

 Yes

62 (44.0)

0 (0)

25.8 (16)

 No

41 (29.1)

12.2 (5)

41.5 (17)

Macrocyclic lactonesn

107 (75.9)

P = 0.076a

P = 0.066i

 Yes

44 (31.2)

0 (0)

18.2 (8)

 No

63 (44.7)

7.9 (5)

36.5 (23)

Total

141 (100)

3.5 (5)

30.5 (43)

  1. aFisher’s exact test
  2. bχ2 = 0.549, df = 1
  3. cχ2 = 7.189, df = 1
  4. dχ2 = 3.351, df = 1
  5. eχ2 = 1.520, df = 1
  6. fχ2 = 3.050, df = 1
  7. gχ2 = 0.143, df = 1
  8. hχ2 = 2.106, df = 1
  9. iχ2 = 3.384, df = 1
  10. jCalheta (n = 3; 2.1%), Câmara de Lobos (n = 19; 13.5%), Ponta do Sol (n = 4; 2.8%), Porto Moniz (n = 1; 0.7%), Ribeira Brava (n = 4; 2.8%) and Santa Cruz (n = 20; 14.2%)
  11. kPersian (n = 1; 0.7%) and Siamese (n = 7; 5.0%)
  12. lClinical manifestations compatible with cardiopulmonary dirofilariosis and/or toxoplasmosis, comprising: anaemia, anorexia, diarrhoea, dyspnoea, fever, jaundice, pale mucous membranes and vomit
  13. mDinotefuran and pyriproxifen, fipronil and (S)-methoprene, fluralaner, lotilaner or spinosad
  14. nEprinomectin or milbemycin oxime