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Table 4 Geographical distribution of seroprevalence to CVBD agents among dogs with clinical signs

From: Countrywide serological evaluation of canine prevalence for Anaplasma spp., Borrelia burgdorferi (sensu lato), Dirofilaria immitis and Ehrlichia canis in Mexico

CVBD-suspect dogs
Region Dogs Dogs infected (%) [95 % CI] Positivity (%) [95 % CI] Dogs co-infected (%) [95 % CI]
A Bb Di Ec
Northwestern 203 149 (73.39)** 41 (20.19)* 1 (0.49) 14 (6.89) 140 (68.96)** 43 (21.18)*
[66.5–78.8] [14.8–25.6] [0.0–01.5] [0.0–0.0] [62.6–74.9] [14.8–26.3]
Northeastern 113 59 (52.21) 14 (12.39) 1 (0.88) 16 (14.16)* 43 (38.05) 13 (11.50)
[42.5–61.1] [6.2–19.5] [0.0–2.7] [8.0–20.4] [29.2–47.8] [5.3–17.7]
Northcentral 55 4 (7.27)** 1 (1.81)* 0 (0) 0 (0)* 4 (7.27)** 1 (1.81)*
[1.8–14.5] [0.0–5.5] [0.0–0.0] [0.0–0.0] [1.8–14.5] [0.0–5.5]
Western 82 35 (42.68)* 10 (12.19) 0 (0) 1 (1.22)* 35 (42.68) 11 (13.41)
[32.9–53.7] [6.1–19.5] [0.0–0.0] [0.0–3.7] [31.7–52.4] [6.1–20.7]
Eastern 70 28 (40.0)* 11 (15.71) 1 (1.43) 5 (7.14) 20 (28.57)* 9 (12.86)
[28.6–51.4] [7.1–24.3] [0.0–4.3] [1.4–12.9] [18.6–40.0] [5.7–21.4]
Southcentral 39 12 (30.77)* 2 (5.13) 0 (0) 2 (5.13) 9 (23.08)* 1 (2.56)*
[17.1–46.2] [0.0–12.8] [0.0–0.0] [0.0–12.8] [10.3–35.9] [0.0–7.7]
Southwestern 53 27 (50.94) 12 (22.64) 0 (0) 2 (3.77) 25 (47.17) 11 (20.75)
[37.7–64.2] [11.3–35.8] [0.0–0.0] [0.0–9.4] [34.0–60.4] [11.3–32.1]
Southeastern 107 70 (65.42)* 15 (14.01) 1 (0.93) 17 (15.89)* 57 (53.27) 19 (17.76)
[56.1–73.8] [7.5–20.6] [0.0–3.1] [9.3–23.4] [43.0–62.6] [10.9–25.2]
Mexican states 722 384 (53.18) 106 (14.68) 4 (0.56) 57 (7.89) 333 (46.12) 108 (14.96)
[49.5–56.9] [12.3–17.3] [0.1–1.1] [6.0–10.0] [42.4–49.7] [12.3–17.6]
  1. Abbreviations: A Anaplasma spp., Bb Borrelia burgdorferi (sensu lato), Di Dirofilaria immitis, Ec Ehrlichia canis
  2. * Statistically significant difference (P < 0.05); ** Statistically significant difference (P < 0.0001) to the corresponding national average value of prevalence