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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