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Table 1 Prevalence of exposure and infection with Borrelia persica and demographic characteristics in 208 dogs as determined by DNA detection by PCR and antibody detection by ELISA

From: Infection and seroprevalence of Borrelia persica in domestic cats and dogs in Israel

Variable Number of dogs PCR+ (%) Seropositive (%)a PCR+ or seropositive (%)b
Total 208 4 (1.9) 24 (11.5) 28 (11.5)
Sex     
Female 99 3 (2.8) 12 (11) 15 (13.7)
Male 109 1 (1) 12 (12.1) 13 (13.1)
Statistical significance    χ2 = 0.001, df = 1, P = 0.973 χ2 = 0.001, df = 1, P = 0.973
Breed
Purebred 76 3 (3.9) 9 (11.8) 12 (15.78)
Mixed 132 1 (9.1) 15 (11.3) 16 (12.1)
Statistical significance    χ2 = 0.0001, df = 1, P = 1 χ2 = 0.287, df = 1, P = 0.592
Age
Juvenile 9 0 (0) 1 (11.1) 1 (11.1)
Adult 199 4 (2.1) 23 (11.5) 27 (13.5)
Statistical significance    χ2 = 0.0001, df = 1, P = 1 χ2 = 0.0001, df = 1, P = 1
Antibiotic treatment
Yes 16 0 (0) 0 (0) 0 (0)
No 108 3 (2.7) 19 (17.6) 22 (20)
Unknown 84 1 (1.1) 5 (5.9) 6 (7.14)
Statistical significance    *χ2 = 8.533, df = 2, P = 0.014 *χ2 = 9.793, df = 2, P = 0.007
Habitat
Urban 183 4 (2.3) 20 (10.9) 24 (13.1)
Rural 25 0 (0) 4 (16) 4 (16)
Statistical significance    χ2 = 0.169, df = 1, P = 0.681 χ2 = 0.007, df = 1, P = 0.933
Climate
Mediterranean 143 3 (2) 13 (9) 16 (11.1)
Semi-arid 65 1 (1.5) 11 (17) 12 (18.4)
Arid 0 0 0 0
Statistical significance    χ2 = 1.973, df = 2, P = 0.160 χ2 = 1.453, df = 2, P = 0.228
Geographic area of residence
Central Israel 47 0 (0) 4 (8.5) 4 (8.3)
Jerusalem 16 0 (0) 3 (18.7) 3 (18.7)
Judean desert 60 1 (1.7) 10 (16.7) 11 (16.7)
Coastal plain 77 3 (3.9) 7 (9.1) 10 (9.1)
South-central Israel 8 0 (0) 0 (0) 0 (0)
Statistical significance    χ2 = 4.279, df = 4, P = 0.370 χ2 = 3.855, df = 4, P = 0.426
  1. *Statistically significant association
  2. aStatistical significance shown is based on serology results only
  3. bStatistical significance shown is based on combined serology and PCR results